pith. sign in
Pith Number

pith:WY3DOQZI

pith:2009:WY3DOQZI2HS6FJ5E36OGASFDWO
not attested not anchored not stored refs pending

Abelian gerbes, generalized geometries and foliations of small exotic R^4

Jerzy Kr\'ol, Torsten Asselmeyer-Maluga

arxiv:0904.1276 v5 · 2009-04-08 · hep-th · gr-qc · math-ph · math.GT · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WY3DOQZI2HS6FJ5E36OGASFDWO}

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 2026-05-18T02:44:07.333478Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b636374328d1e5e2a7a4df9c6048a3b3a6dbb0c285d76557ab49ded59624aef3

Aliases

arxiv: 0904.1276 · arxiv_version: 0904.1276v5 · doi: 10.48550/arxiv.0904.1276 · pith_short_12: WY3DOQZI2HS6 · pith_short_16: WY3DOQZI2HS6FJ5E · pith_short_8: WY3DOQZI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WY3DOQZI2HS6FJ5E36OGASFDWO \
  | 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: b636374328d1e5e2a7a4df9c6048a3b3a6dbb0c285d76557ab49ded59624aef3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "31bf4ca406c5f363ee66647853459c320b335ca360f221bfca7adfe3e6fc0614",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.GT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-04-08T07:41:57Z",
    "title_canon_sha256": "65114c050d50b08ae76e02e69d1e7e2c11702154b9b3c617a59aaa6cc883db95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1276",
    "kind": "arxiv",
    "version": 5
  }
}