Pith Number

pith:5NSRI5G7

pith:2001:5NSRI5G7YBDCYTFJOHIZP3N5JF

not attested not anchored not stored refs pending

Characteristic Evolution and Matching

J. Winicour

arxiv:gr-qc/0102085 v2 · 2001-02-20 · 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{5NSRI5G7YBDCYTFJOHIZP3N5JF}

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	2026-05-18T01:01:58.423399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb651474dfc0462c4ca971d197edbd49509fe6562c45e373addbcd5b0ec7bda4

Aliases

arxiv: gr-qc/0102085 · arxiv_version: gr-qc/0102085v2 · doi: 10.48550/arxiv.gr-qc/0102085 · pith_short_12: 5NSRI5G7YBDC · pith_short_16: 5NSRI5G7YBDCYTFJ · pith_short_8: 5NSRI5G7

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/5NSRI5G7YBDCYTFJOHIZP3N5JF \
  | 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: eb651474dfc0462c4ca971d197edbd49509fe6562c45e373addbcd5b0ec7bda4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abfe875aeddb1c82fcd3177d634decca6ee663ef46535a97c83b4e8a3503b326",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-02-20T12:48:18Z",
    "title_canon_sha256": "778be1c5e3497154e05f3bd2ef708c4cd6f415e7582a1d6de2a71c0909deb25a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0102085",
    "kind": "arxiv",
    "version": 2
  }
}