Pith Number

pith:EFOFGIVA

pith:2011:EFOFGIVAIRZHW42QYU3CFKOQOE

not attested not anchored not stored refs pending

Cosmology today-A brief review

George Smoot, Jorge L. Cervantes-Cota

arxiv:1107.1789 v2 · 2011-07-09 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFOFGIVAIRZHW42QYU3CFKOQOE}

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	2026-05-18T04:08:24.021671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215c5322a044727b7350c53622a9d07100db610ec5ef669874fc2c7b4ab73fff

Aliases

arxiv: 1107.1789 · arxiv_version: 1107.1789v2 · doi: 10.48550/arxiv.1107.1789 · pith_short_12: EFOFGIVAIRZH · pith_short_16: EFOFGIVAIRZHW42Q · pith_short_8: EFOFGIVA

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/EFOFGIVAIRZHW42QYU3CFKOQOE \
  | 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: 215c5322a044727b7350c53622a9d07100db610ec5ef669874fc2c7b4ab73fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4561edf4548fee8017b7e780793bd2c862f434b3724afd28f9302fd3330908d0",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-09T15:02:44Z",
    "title_canon_sha256": "78255ba45923106c5903b21232c6fdfd85c8f30aa24dfcfdc5cf1f0147b30714"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1789",
    "kind": "arxiv",
    "version": 2
  }
}