Pith Number

pith:AY337SDA

pith:2008:AY337SDATHNEIAZHBPJVTGQ5ED

not attested not anchored not stored refs pending

The basic bundle gerbe on unitary groups

Danny Stevenson, Michael K Murray

arxiv:0804.3464 v1 · 2008-04-22 · math.DG · 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{AY337SDATHNEIAZHBPJVTGQ5ED}

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	2026-07-04T17:10:27.662869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0637bfc86099da4403270bd3599a1d20f392bb158ca7e4288c67b7aac8f38f54

Aliases

arxiv: 0804.3464 · arxiv_version: 0804.3464v1 · doi: 10.48550/arxiv.0804.3464 · pith_short_12: AY337SDATHNE · pith_short_16: AY337SDATHNEIAZH · pith_short_8: AY337SDA

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/AY337SDATHNEIAZHBPJVTGQ5ED \
  | 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: 0637bfc86099da4403270bd3599a1d20f392bb158ca7e4288c67b7aac8f38f54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb15554b4b5abb384072feb15d9bb1b1655f1cf3881d3225e5ed01d7b835677",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-04-22T08:04:37Z",
    "title_canon_sha256": "d8718f88a44af2e143932564b16bead45ed2adc9aeca455d34fb9c29b24467a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3464",
    "kind": "arxiv",
    "version": 1
  }
}