Pith Number

pith:XBQEENXC

pith:2008:XBQEENXCPAXZCE2TPRNGBFIFID

not attested not anchored not stored refs pending

Compatibility with cap-products in Tsygan's formality and homological Duflo isomorphism

Carlo A. Rossi, Damien Calaque

arxiv:0805.3444 v5 · 2008-05-22 · math.QA · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBQEENXCPAXZCE2TPRNGBFIFID}

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	2026-05-18T04:25:39.365121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8604236e2782f9113537c5a60950540eae7c3d9ad65c8a1e3207463075e9362

Aliases

arxiv: 0805.3444 · arxiv_version: 0805.3444v5 · doi: 10.48550/arxiv.0805.3444 · pith_short_12: XBQEENXCPAXZ · pith_short_16: XBQEENXCPAXZCE2T · pith_short_8: XBQEENXC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XBQEENXCPAXZCE2TPRNGBFIFID \
  | 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: b8604236e2782f9113537c5a60950540eae7c3d9ad65c8a1e3207463075e9362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38406a6359c1e37e37ce6b3dd4326a3708ecc8c11d37630d8db9c86941d4c91a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2008-05-22T16:41:34Z",
    "title_canon_sha256": "c1e73526fd0c535266c1088b82eb2a46061c7b5344a9c766e464296283459ca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3444",
    "kind": "arxiv",
    "version": 5
  }
}