Pith Number

pith:SULDKUXF

pith:2006:SULDKUXFXM33UFAAI5DNKHWSBG

not attested not anchored not stored refs pending

On characteristic classes of Q-manifolds

A.A. Sharapov, E.A. Mosman, S.L. Lyakhovich

arxiv:math/0612579 v3 · 2006-12-20 · math.QA · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SULDKUXFXM33UFAAI5DNKHWSBG}

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	2026-07-04T14:58:29.709378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95163552e5bb37ba14004746d51ed209b1871d9d5933cfeef6f9bb4086bba026

Aliases

arxiv: math/0612579 · arxiv_version: math/0612579v3 · doi: 10.48550/arxiv.math/0612579 · pith_short_12: SULDKUXFXM33 · pith_short_16: SULDKUXFXM33UFAA · pith_short_8: SULDKUXF

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/SULDKUXFXM33UFAAI5DNKHWSBG \
  | 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: 95163552e5bb37ba14004746d51ed209b1871d9d5933cfeef6f9bb4086bba026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe687c28fb237ca2cb29ed869d816c68eedf686678e5e82669431b1a9f5d8b14",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2006-12-20T07:29:09Z",
    "title_canon_sha256": "590345b6973e25ba98f1da04fa2205699172efb19e28de0638ef75aa55eb2da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0612579",
    "kind": "arxiv",
    "version": 3
  }
}