Pith Number

pith:HNMNROE5

pith:2011:HNMNROE5WBP5FW3C76PVHN7F7W

not attested not anchored not stored refs pending

Cosmography and cosmic acceleration

J. C. Carvalho, J. S. Alcaniz

arxiv:1102.5319 v1 · 2011-02-25 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNMNROE5WBP5FW3C76PVHN7F7W}

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	2026-05-18T03:57:27.456852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b58d8b89db05fd2db62ff9f53b7e5fda0be60ca68b21a4c34b52d803ff6cd2a

Aliases

arxiv: 1102.5319 · arxiv_version: 1102.5319v1 · doi: 10.48550/arxiv.1102.5319 · pith_short_12: HNMNROE5WBP5 · pith_short_16: HNMNROE5WBP5FW3C · pith_short_8: HNMNROE5

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/HNMNROE5WBP5FW3C76PVHN7F7W \
  | 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: 3b58d8b89db05fd2db62ff9f53b7e5fda0be60ca68b21a4c34b52d803ff6cd2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44fe633baf189b60c5ce2649814dd5c7cb99ae192ca31606d30688ebf453d03d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-25T19:40:16Z",
    "title_canon_sha256": "2b182d53492b37c0abd3a21d4fba74e0e8e06db76d8e03f5f8ceb2ca08fb8653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5319",
    "kind": "arxiv",
    "version": 1
  }
}