Pith Number

pith:CYRI62Z7

pith:2012:CYRI62Z7X3VUNXFVBIDX4T6YTA

not attested not anchored not stored refs pending

Signature Change by GUP

F. Darabi, H. Motavalli, T. Ghaneh

arxiv:1212.1577 v2 · 2012-12-07 · 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{CYRI62Z7X3VUNXFVBIDX4T6YTA}

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	2026-05-18T03:30:41.303188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16228f6b3fbeeb46dcb50a077e4fd8980e068016a7c17cf08007b64378ed3a7d

Aliases

arxiv: 1212.1577 · arxiv_version: 1212.1577v2 · doi: 10.48550/arxiv.1212.1577 · pith_short_12: CYRI62Z7X3VU · pith_short_16: CYRI62Z7X3VUNXFV · pith_short_8: CYRI62Z7

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/CYRI62Z7X3VUNXFVBIDX4T6YTA \
  | 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: 16228f6b3fbeeb46dcb50a077e4fd8980e068016a7c17cf08007b64378ed3a7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a53126cb76e8423c230f08ecc0367bf55313aad07c8e3183f6c1a2677c6a73b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-07T10:32:11Z",
    "title_canon_sha256": "421fc3e72c743f1bad9b13971da7312ebee3f61e9e4d6695d895194ad6defc33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1577",
    "kind": "arxiv",
    "version": 2
  }
}