Pith Number

pith:FGCNTGA7

pith:2004:FGCNTGA757NV6D2FJJVONHU47B

not attested not anchored not stored refs pending

Difference Discrete Variational Principle in Discrete Mechanics and Symplectic Algorithm

Han-Ying Guo, Ke Wu, Xu-Dong Luo, Yu-Qi Li

arxiv:math-ph/0410024 v1 · 2004-10-08 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGCNTGA757NV6D2FJJVONHU47B}

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	2026-05-18T00:25:46.050913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2984d9981fefdb5f0f454a6ae69e9cf84a11a2513be2657fcd517e5770a1f0af

Aliases

arxiv: math-ph/0410024 · arxiv_version: math-ph/0410024v1 · doi: 10.48550/arxiv.math-ph/0410024 · pith_short_12: FGCNTGA757NV · pith_short_16: FGCNTGA757NV6D2F · pith_short_8: FGCNTGA7

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/FGCNTGA757NV6D2FJJVONHU47B \
  | 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: 2984d9981fefdb5f0f454a6ae69e9cf84a11a2513be2657fcd517e5770a1f0af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b261bc2651ecd579c0d548fea2e93ec527323683c8efde891ef004c76c07869b",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2004-10-08T11:34:33Z",
    "title_canon_sha256": "5328d8d9b325b6b02c425475906688fb828a6afc56e098af968efa151653c494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0410024",
    "kind": "arxiv",
    "version": 1
  }
}