Pith Number

pith:JID664CB

pith:2015:JID664CBZ6S45I47WXCHPQBZ3A

not attested not anchored not stored refs pending

An almost flat manifold with a cyclic or quaternionic holonomy group bounds

Fuquan Fang, James F. Davis

arxiv:1501.00300 v2 · 2015-01-01 · math.DG · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JID664CBZ6S45I47WXCHPQBZ3A}

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	2026-05-18T01:14:45.617634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a07ef7041cfa5cea39fb5c477c039d8032873c6d45c55f27b8ef0f7bd1aa958

Aliases

arxiv: 1501.00300 · arxiv_version: 1501.00300v2 · doi: 10.48550/arxiv.1501.00300 · pith_short_12: JID664CBZ6S4 · pith_short_16: JID664CBZ6S45I47 · pith_short_8: JID664CB

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/JID664CBZ6S45I47WXCHPQBZ3A \
  | 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: 4a07ef7041cfa5cea39fb5c477c039d8032873c6d45c55f27b8ef0f7bd1aa958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81841c5aaf6714081cb19e3709876e4cd6a80aa15e91a1652e127216ff65a454",
    "cross_cats_sorted": [
      "math.AT",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-01-01T18:43:02Z",
    "title_canon_sha256": "3d77b7b6cfffe1dfaf9591ba579835390d1d6b72366a7b399a075a4348e03d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00300",
    "kind": "arxiv",
    "version": 2
  }
}