Pith Number

pith:3R7XZPYT

pith:2011:3R7XZPYTK7QJBZUPLGYNOWCQMP

not attested not anchored not stored refs pending

Variations of gwistor space

Rui Albuquerque

arxiv:1107.5358 v2 · 2011-07-26 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3R7XZPYTK7QJBZUPLGYNOWCQMP}

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	2026-05-18T02:25:32.935760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc7f7cbf1357e090e68f59b0d7585063c9c036217a42d1a54d1d3fa9725f402b

Aliases

arxiv: 1107.5358 · arxiv_version: 1107.5358v2 · doi: 10.48550/arxiv.1107.5358 · pith_short_12: 3R7XZPYTK7QJ · pith_short_16: 3R7XZPYTK7QJBZUP · pith_short_8: 3R7XZPYT

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/3R7XZPYTK7QJBZUPLGYNOWCQMP \
  | 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: dc7f7cbf1357e090e68f59b0d7585063c9c036217a42d1a54d1d3fa9725f402b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1fdc83b4580e4078a4741df3af75d4bfb7c019469e10ba995c58cd0852987c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-07-26T23:56:51Z",
    "title_canon_sha256": "e529bdffc1d2e6226743a19aded904f01af2a984fd6e11249d4b4db9abd42ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5358",
    "kind": "arxiv",
    "version": 2
  }
}