Pith Number

pith:U653YVIT

pith:2007:U653YVITBPGO2L56RMG3EGEIKN

not attested not anchored not stored refs pending

C*-Algebras over Topological Spaces: The Bootstrap Class

Ralf Meyer, Ryszard Nest

arxiv:0712.1426 v3 · 2007-12-10 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U653YVITBPGO2L56RMG3EGEIKN}

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	2026-05-18T01:29:32.408512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7bbbc55130bcced2fbe8b0db2188853424991b9e1e7084b873f0a4fe86c3d84

Aliases

arxiv: 0712.1426 · arxiv_version: 0712.1426v3 · doi: 10.48550/arxiv.0712.1426 · pith_short_12: U653YVITBPGO · pith_short_16: U653YVITBPGO2L56 · pith_short_8: U653YVIT

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/U653YVITBPGO2L56RMG3EGEIKN \
  | 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: a7bbbc55130bcced2fbe8b0db2188853424991b9e1e7084b873f0a4fe86c3d84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb8fe4ce55e76d8a9463e080bd3da14c3b849865d14df818c6c118ad6945d61b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2007-12-10T10:39:45Z",
    "title_canon_sha256": "afe754bb03ed56f638ae7448a2b7e3fe518bbf3af90f03a85ec0566c8223ee16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1426",
    "kind": "arxiv",
    "version": 3
  }
}