Pith Number

pith:YXUOFU5E

pith:2013:YXUOFU5EFDPPBJFCSISVWJCHFT

not attested not anchored not stored refs pending

Minimal R_1, minimal regular and minimal presober topologies

Dominic van der Zypen, Maria Luisa Colasante

arxiv:1307.1262 v1 · 2013-07-04 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXUOFU5EFDPPBJFCSISVWJCHFT}

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	2026-05-18T03:19:14.251754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5e8e2d3a428def0a4a292255b24472ce0476be5d68adf64bcc33f56d619fbbe

Aliases

arxiv: 1307.1262 · arxiv_version: 1307.1262v1 · doi: 10.48550/arxiv.1307.1262 · pith_short_12: YXUOFU5EFDPP · pith_short_16: YXUOFU5EFDPPBJFC · pith_short_8: YXUOFU5E

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/YXUOFU5EFDPPBJFCSISVWJCHFT \
  | 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: c5e8e2d3a428def0a4a292255b24472ce0476be5d68adf64bcc33f56d619fbbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb8d30629a2a21849327db9c6b83266ea09fe208b4c3603190609a60c02f95a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-07-04T10:27:55Z",
    "title_canon_sha256": "73bd933e09d42ce0d8ded894e795f64f1a43aa327ff3be873859e44da0fd39b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1262",
    "kind": "arxiv",
    "version": 1
  }
}