pith. sign in
Pith Number

pith:5ETMJ5YC

pith:2013:5ETMJ5YCEKXBLXJ7AUL6EACKOS
not attested not anchored not stored refs pending

Defeasible Modalities

Ivan Varzinczak, Katarina Britz

arxiv:1310.6409 v1 · 2013-10-23 · cs.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5ETMJ5YCEKXBLXJ7AUL6EACKOS}

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 2026-05-18T03:08:48.314458Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e926c4f70222ae15dd3f0517e2004a7496808da17a17b9c3d73743d3a0fe2ab0

Aliases

arxiv: 1310.6409 · arxiv_version: 1310.6409v1 · doi: 10.48550/arxiv.1310.6409 · pith_short_12: 5ETMJ5YCEKXB · pith_short_16: 5ETMJ5YCEKXBLXJ7 · pith_short_8: 5ETMJ5YC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5ETMJ5YCEKXBLXJ7AUL6EACKOS \
  | 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: e926c4f70222ae15dd3f0517e2004a7496808da17a17b9c3d73743d3a0fe2ab0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c237c2c74be11e895169f358f09cdee996a5a047ced8d66bc049933d78e59cc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-10-23T22:05:39Z",
    "title_canon_sha256": "9525ccbced621212c93dd5cf3739fa51acc5b360f9fe00828cccd51a760d6c1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6409",
    "kind": "arxiv",
    "version": 1
  }
}