pith. sign in
Pith Number

pith:6YPBDVJF

pith:2008:6YPBDVJFENJITCNLEVEZIRMKUO
not attested not anchored not stored refs pending

A noncommutative view on topology and order

Fabien Besnard

arxiv:0804.3551 v4 · 2008-04-22 · math.OA · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6YPBDVJFENJITCNLEVEZIRMKUO}

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 2026-05-18T02:35:22.740453Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f61e11d52523528989ab254994458aa3a87b1b2522343d13bc34032646089e7f

Aliases

arxiv: 0804.3551 · arxiv_version: 0804.3551v4 · doi: 10.48550/arxiv.0804.3551 · pith_short_12: 6YPBDVJFENJI · pith_short_16: 6YPBDVJFENJITCNL · pith_short_8: 6YPBDVJF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6YPBDVJFENJITCNLEVEZIRMKUO \
  | 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: f61e11d52523528989ab254994458aa3a87b1b2522343d13bc34032646089e7f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d22275aa2282ce4268b211cb27f16fab9b3db3ce44a6ccc9335c2f90ed93534f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2008-04-22T15:35:33Z",
    "title_canon_sha256": "dce0bed4f0822ee0782aa247235699a370c30e9c7e20acf8314dfe6af2912c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3551",
    "kind": "arxiv",
    "version": 4
  }
}