Pith Number

pith:FE7ER7CA

pith:2011:FE7ER7CA5CZSI42UNW3JONOGUR

not attested not anchored not stored refs pending

The Poincare Conjecture and the Cosmological Constant

M. D. Maia

arxiv:1107.2910 v1 · 2011-07-14 · gr-qc · astro-ph.CO · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FE7ER7CA5CZSI42UNW3JONOGUR}

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	2026-05-18T02:01:16.808530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

293e48fc40e8b32473546db69735c6a44b87ba97bdfaa1913adafccdb4f0e0b0

Aliases

arxiv: 1107.2910 · arxiv_version: 1107.2910v1 · doi: 10.48550/arxiv.1107.2910 · pith_short_12: FE7ER7CA5CZS · pith_short_16: FE7ER7CA5CZSI42U · pith_short_8: FE7ER7CA

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/FE7ER7CA5CZSI42UNW3JONOGUR \
  | 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: 293e48fc40e8b32473546db69735c6a44b87ba97bdfaa1913adafccdb4f0e0b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ca4ecf81a211f5e8f17263f5011ad5608430e94ab3724a49d740dae8ccddacd",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-07-14T19:49:52Z",
    "title_canon_sha256": "39b15f12a9ab7a07f5e054336b4bfa18fad51b77a35ab4eb3b8cdd36cf30f86d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2910",
    "kind": "arxiv",
    "version": 1
  }
}