pith. sign in
Pith Number

pith:QBEIJK5R

pith:2014:QBEIJK5RWQHOS53GBB46MNI4VF
not attested not anchored not stored refs pending

Personal Multi-threading

Jan A. Bergstra

arxiv:1412.3579 v1 · 2014-12-11 · cs.OH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QBEIJK5RWQHOS53GBB46MNI4VF}

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 2026-05-18T02:31:30.808265Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

804884abb1b40ee977660879e6351ca97c76b7561e45c70ef6d33c071b64397f

Aliases

arxiv: 1412.3579 · arxiv_version: 1412.3579v1 · doi: 10.48550/arxiv.1412.3579 · pith_short_12: QBEIJK5RWQHO · pith_short_16: QBEIJK5RWQHOS53G · pith_short_8: QBEIJK5R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QBEIJK5RWQHOS53GBB46MNI4VF \
  | 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: 804884abb1b40ee977660879e6351ca97c76b7561e45c70ef6d33c071b64397f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d7eec118d8424fecff5b82ec294b304855e69738ac6eb51ba87f038bab21c21e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2014-12-11T09:06:40Z",
    "title_canon_sha256": "3f5fa6bba26579adc069e26c20d5b4aa93b691296725672b2c437022fd8fb353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3579",
    "kind": "arxiv",
    "version": 1
  }
}