Pith Number

pith:UJ57UZDC

pith:2013:UJ57UZDC6CSWSBZGXVV72P5S3G

not attested not anchored not stored refs pending

Noncommutative Geometry and dynamical models on U(u(2)) background

Dimitri Gurevich, Pavel Saponov

arxiv:1311.6231 v2 · 2013-11-25 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJ57UZDC6CSWSBZGXVV72P5S3G}

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	2026-05-18T02:44:56.810939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a27bfa6462f0a5690726bd6bfd3fb2d9a9e80fc21babb229bf2c179d0fe907ca

Aliases

arxiv: 1311.6231 · arxiv_version: 1311.6231v2 · doi: 10.48550/arxiv.1311.6231 · pith_short_12: UJ57UZDC6CSW · pith_short_16: UJ57UZDC6CSWSBZG · pith_short_8: UJ57UZDC

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/UJ57UZDC6CSWSBZGXVV72P5S3G \
  | 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: a27bfa6462f0a5690726bd6bfd3fb2d9a9e80fc21babb229bf2c179d0fe907ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cbce7ed3f75d8b45ab6a5888e9f95bb1a9439f662501d21563f1cce47618399",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2013-11-25T08:38:31Z",
    "title_canon_sha256": "032242f96ed7c477a0158cfe1eb742a7c74ad20ded864a2c2f2af138e7eb31b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6231",
    "kind": "arxiv",
    "version": 2
  }
}