Pith Number

pith:XM76BJXB

pith:2001:XM76BJXBKQKZULYCXBROOAETBN

not attested not anchored not stored refs pending

The universal gerbe, Dixmier-Douady class, and gauge theory

Alan L. Carey, Jouko Mickelsson

arxiv:hep-th/0107207 v2 · 2001-07-24 · hep-th · 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{XM76BJXBKQKZULYCXBROOAETBN}

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	2026-07-04T15:18:28.043223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb3fe0a6e154159a2f02b862e700930b5433094ff28d7976cff0d0163bc3af81

Aliases

arxiv: hep-th/0107207 · arxiv_version: hep-th/0107207v2 · doi: 10.48550/arxiv.hep-th/0107207 · pith_short_12: XM76BJXBKQKZ · pith_short_16: XM76BJXBKQKZULYC · pith_short_8: XM76BJXB

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/XM76BJXBKQKZULYCXBROOAETBN \
  | 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: bb3fe0a6e154159a2f02b862e700930b5433094ff28d7976cff0d0163bc3af81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17751fc9087d2afd6c46c56785b18a86837ac91bf0aeaf99bff9b5e365bf352a",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-07-24T12:36:06Z",
    "title_canon_sha256": "edf50b2996e404d3069176243a9e4eca8ed5a14acc213012e07b5c1546e217e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0107207",
    "kind": "arxiv",
    "version": 2
  }
}