Pith Number

pith:2YYBXUFC

pith:2022:2YYBXUFC67IKZXOIZRESOFHKYY

not attested not anchored not stored refs pending

An implementation of the matrix method using Chebyshev grid

Hong Guo, Jin Li, Shao-Jun Zhang, Shui-Fa Shen, Wei-Liang Qian

arxiv:2211.07023 v1 · 2022-11-13 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YYBXUFC67IKZXOIZRESOFHKYY}

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	2026-07-05T05:15:48.615485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6301bd0a2f7d0acddc8cc492714eac62b9c37d5dccfbb0535b47a3225dd035b

Aliases

arxiv: 2211.07023 · arxiv_version: 2211.07023v1 · doi: 10.48550/arxiv.2211.07023 · pith_short_12: 2YYBXUFC67IK · pith_short_16: 2YYBXUFC67IKZXOI · pith_short_8: 2YYBXUFC

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/2YYBXUFC67IKZXOIZRESOFHKYY \
  | 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: d6301bd0a2f7d0acddc8cc492714eac62b9c37d5dccfbb0535b47a3225dd035b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9c066511ecab5f19ec5d2b841f834ea83f64e81b6b44334a24833d9412e0263",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-11-13T21:49:56Z",
    "title_canon_sha256": "63bd5ec1c2a092c55c081c0fe07949d7883698181a8485dad8c4e7a0d3da8b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.07023",
    "kind": "arxiv",
    "version": 1
  }
}