pith. sign in
Pith Number

pith:GWSXT3XT

pith:2007:GWSXT3XTVBTS6NM572ECSSRSAQ
not attested not anchored not stored refs pending

Examples of para-cocyclic objects induced by BD-laws

Dragos Stefan, Gabriella B\"ohm

arxiv:0801.0033 v1 · 2007-12-29 · math.KT · math.QA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GWSXT3XTVBTS6NM572ECSSRSAQ}

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 2026-05-18T04:03:54.860622Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

35a579eef3a8672f359dfe88294a320419566b9640edaee1f5c9f62fc6aacb64

Aliases

arxiv: 0801.0033 · arxiv_version: 0801.0033v1 · doi: 10.48550/arxiv.0801.0033 · pith_short_12: GWSXT3XTVBTS · pith_short_16: GWSXT3XTVBTS6NM5 · pith_short_8: GWSXT3XT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GWSXT3XTVBTS6NM572ECSSRSAQ \
  | 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: 35a579eef3a8672f359dfe88294a320419566b9640edaee1f5c9f62fc6aacb64
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a648c391f394a3922b4ceb96686f956b09808ba1cd3a6012486bc17a4cd82e93",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math.KT",
    "submitted_at": "2007-12-29T07:24:03Z",
    "title_canon_sha256": "46972d5c23e43fc5e70c03420edfaf3ffae20aa4798b9b962bc86870309ed841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.0033",
    "kind": "arxiv",
    "version": 1
  }
}