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symphonym-v8

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ONNX
Safetensors
symphonym
toponym-matching
cross-script
phonetic-embeddings
geospatial
named-entity
information-retrieval
teacher-student
knowledge-distillation
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symphonym-v8 / PROVENANCE.md
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Upload Symphonym v8 model, vocabularies, and evaluation results
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v8 = arm A of the vipafix-20260910T175025Z campaign

Installed 14 September 2026. phase3_best.pt here is a COPY of /ix1/ishi/models/phonetic/checkpoints/vipafix-20260910T175025Z/phase3_best.pt, verified equal by md5 at copy time:

51d0f7f8e8c4e0c72454803c154bb419  phase3_best.pt

Vocabulary that MUST be paired with it (/ix1/ishi/models/phonetic/data/v8/vocab):

16a4d41e868fecc16e1b701363e1bda8  char_vocab.json   (114,845 chars)
17ce7fe69a836ddd32c9577cdd60f389  lang_vocab.json   (2,438 langs)
18fd9410e1c543429ec8327a29ee3225  script_vocab.json (37 scripts)

Pairing this checkpoint with the v7 vocabulary does NOT raise — it produces plausible garbage. v7 carries 113,280 / 20 / 1,944.

Why arm A and not one of the other three

Four candidates were trained and scored on one frozen test set (developer/baselines/v8-report-v8{A,B,G,M}.json, and v7 for the baseline). Decision recorded in developer/plan-symphonym-v8.md sections 80 and 81 under a rule fixed BEFORE any candidate finished: better only if recall_at_gate does not fall AND separability improves.

                v7      A       B       G       M

recall_at_gate 87.5 95.2 95.5 95.3 94.2 separability -0.2127 -0.0574 -0.0510 -0.0593 -0.0758 permutation 70.5 5.0 6.6 6.0 4.4 historic_hard 0.5179 0.5179 0.4995 0.5081 0.5081 latin_latin 0.8527 0.8495 0.8370 0.8464 0.8370

B and G lead the headline by noise (0.3pp ~ 12 pairs in 4,000); A leads the collateral measures by margins that are not noise, and is the only candidate with NO historic-Latin regression at all.

Do not select by training loss

Arm M had the best val_loss at all three phases (0.0051 / 0.0467 / 0.0206, beating A at every one) and is the worst of the four models. Phase loss orders candidates within a fixed batch size and does not compare across recipes.

final_model.pt is NOT this file

The gateway loads <base>/models/phonetic/checkpoints/v<version>/final_model.pt, and that name already denotes DIFFERENT CONTENT on /vast and /ix1 for v7 (see developer/baselines/v7-artefacts-witness.md). Export deliberately and verify by hash; never copy name-to-name across the two filesystems.