pith. sign in
Pith Number

pith:ZI5UOJ35

pith:2013:ZI5UOJ35C6MK4MY5BNA67D4EYM
not attested not anchored not stored refs pending

TEI and LMF crosswalks

CMB), Laurent Romary (ALPAGE

arxiv:1301.2444 v3 · 2013-01-11 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZI5UOJ35C6MK4MY5BNA67D4EYM}

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 2026-05-18T01:21:45.418115Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ca3b47277d1798ae331d0b41ef8f84c30536b344fd07b431b23b527589d9a868

Aliases

arxiv: 1301.2444 · arxiv_version: 1301.2444v3 · doi: 10.48550/arxiv.1301.2444 · pith_short_12: ZI5UOJ35C6MK · pith_short_16: ZI5UOJ35C6MK4MY5 · pith_short_8: ZI5UOJ35
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZI5UOJ35C6MK4MY5BNA67D4EYM \
  | 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: ca3b47277d1798ae331d0b41ef8f84c30536b344fd07b431b23b527589d9a868
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1623b50c73fa405bdd02c91c96760d078f9245643381288d42ea2259ff3dbc7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-01-11T10:38:09Z",
    "title_canon_sha256": "b0ca0e84f444d37c43c86f06e631beb21738f4abadb721ca88603557c503c431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2444",
    "kind": "arxiv",
    "version": 3
  }
}