Pith Number

pith:2G4CSM3N

pith:2007:2G4CSM3NONXOJCIMVIFUW4OZZJ

not attested not anchored not stored refs pending

A 3D biomechanical vocal tract model to study speech production control: How to take into account the gravity?

Pascal Perrier (ICP), St\'ephanie Buchaillard (ICP), Yohan Payan (TIMC - IMAG)

arxiv:physics/0701285 v1 · 2007-01-24 · physics.med-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G4CSM3NONXOJCIMVIFUW4OZZJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:09:14.668353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b829336d736ee4890caa0b4b71d9ca712aae6adbacd0fa7164bc5a6ea180f8

Aliases

arxiv: physics/0701285 · arxiv_version: physics/0701285v1 · doi: 10.48550/arxiv.physics/0701285 · pith_short_12: 2G4CSM3NONXO · pith_short_16: 2G4CSM3NONXOJCIM · pith_short_8: 2G4CSM3N

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2G4CSM3NONXOJCIMVIFUW4OZZJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d1b829336d736ee4890caa0b4b71d9ca712aae6adbacd0fa7164bc5a6ea180f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59bdfd3c14980c1fd0c7923d20294c9d5a48493effd75e2fdb1376b27776de67",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2007-01-24T15:41:19Z",
    "title_canon_sha256": "b71eaa09620ce88e79ef9d9906a78bea53d45096c2afea57b40c326ba05e61bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0701285",
    "kind": "arxiv",
    "version": 1
  }
}