Pith Number

pith:YRDNIDAE

pith:2002:YRDNIDAEJVCXGAFZTSYHDUBXIO

not attested not anchored not stored refs pending

Solving the boundary value problem for finite Kirchhoff rods

Alexandre F. da Fonseca (1), Marcus A. M. de Aguiar (2). (1. Instituto de F\'isica, UNICAMP.), Universidade de S\~ao Paulo, Universidade Estadual de Campinas, USP.) (2. Instituto de F\'isica Gleb Wataghin

arxiv:physics/0209054 v1 · 2002-09-13 · physics.bio-ph · physics.class-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{YRDNIDAEJVCXGAFZTSYHDUBXIO}

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	2026-05-18T01:08:59.611904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c446d40c044d457300b99cb071d037438abeb9a3f449773917e78c580b5ebc75

Aliases

arxiv: physics/0209054 · arxiv_version: physics/0209054v1 · doi: 10.48550/arxiv.physics/0209054 · pith_short_12: YRDNIDAEJVCX · pith_short_16: YRDNIDAEJVCXGAFZ · pith_short_8: YRDNIDAE

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/YRDNIDAEJVCXGAFZTSYHDUBXIO \
  | 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: c446d40c044d457300b99cb071d037438abeb9a3f449773917e78c580b5ebc75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e2f91d0911f821e42cfc38523c227eec4871fd5f7b3034d393d780a0a0f767e",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2002-09-13T11:51:36Z",
    "title_canon_sha256": "aa7e8968c9cd8664bc764f4d8385c13fc845aa26b4f517a34a246385b254fef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0209054",
    "kind": "arxiv",
    "version": 1
  }
}