pith. sign in
Pith Number

pith:3VJST73U

pith:2011:3VJST73UPY5WCKWWFIQ5PSQYKV
not attested not anchored not stored refs pending

Co-ordering and Type 2 co-ordering

Farzad Didehvar, Saeed Asaeedi

arxiv:1102.2489 v1 · 2011-02-12 · cs.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3VJST73UPY5WCKWWFIQ5PSQYKV}

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 2026-05-18T04:28:47.262082Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dd5329ff747e3b612ad62a21d7ca18557ba3f7b4371a07de0b7dfd02fa88e415

Aliases

arxiv: 1102.2489 · arxiv_version: 1102.2489v1 · doi: 10.48550/arxiv.1102.2489 · pith_short_12: 3VJST73UPY5W · pith_short_16: 3VJST73UPY5WCKWW · pith_short_8: 3VJST73U
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3VJST73UPY5WCKWWFIQ5PSQYKV \
  | 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: dd5329ff747e3b612ad62a21d7ca18557ba3f7b4371a07de0b7dfd02fa88e415
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "de4f7e99cfaf1498fe20522bd3a27f42681efbfc5d2bda589bf6b85d9f7cec83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-02-12T09:44:56Z",
    "title_canon_sha256": "45e758b7a20cf74a3eea6bbe1a724c0666df0a66fa0ed849fee3fe8a11bfb512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2489",
    "kind": "arxiv",
    "version": 1
  }
}