Pith Number

pith:A4VMORBR

pith:2021:A4VMORBRHGCJI3RPFXI3QHH2EK

not attested not anchored not stored refs pending

A one-dimensional flow model enhanced by machine learning for simulation of vocal fold vibration

Bernard Rousseau, Haoxiang Luo, Siyuan Chang, Ye Chen, Zheng Li

arxiv:2102.01877 v1 · 2021-02-03 · physics.flu-dyn · physics.comp-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{A4VMORBRHGCJI3RPFXI3QHH2EK}

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	2026-07-05T02:29:43.768471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

072ac744313984946e2f2dd1b81cfa22907a764d84ee19fdd477075ff54c27f3

Aliases

arxiv: 2102.01877 · arxiv_version: 2102.01877v1 · doi: 10.48550/arxiv.2102.01877 · pith_short_12: A4VMORBRHGCJ · pith_short_16: A4VMORBRHGCJI3RP · pith_short_8: A4VMORBR

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/A4VMORBRHGCJI3RPFXI3QHH2EK \
  | 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: 072ac744313984946e2f2dd1b81cfa22907a764d84ee19fdd477075ff54c27f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e8baf092c5beef89acb107dce1f5db486a14749087ab4c2685043d6e424323d",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-02-03T04:57:40Z",
    "title_canon_sha256": "9fcab8962df4a4ab7942edfdf0172a5501901195fa43c67dd310441339a39325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01877",
    "kind": "arxiv",
    "version": 1
  }
}