Pith Number

pith:ITFY2CLY

pith:2013:ITFY2CLYN5JUKITA34U5DROOGL

not attested not anchored not stored refs pending

Virialization-induced curvature versus dark energy

Boudewijn F. Roukema, Jan J. Ostrowski, Thomas Buchert

arxiv:1311.5402 v1 · 2013-11-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITFY2CLYN5JUKITA34U5DROOGL}

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	2026-05-18T03:06:33.518786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44cb8d09786f53452260df29d1c5ce32e76050ee7807252183148a018c58bc54

Aliases

arxiv: 1311.5402 · arxiv_version: 1311.5402v1 · doi: 10.48550/arxiv.1311.5402 · pith_short_12: ITFY2CLYN5JU · pith_short_16: ITFY2CLYN5JUKITA · pith_short_8: ITFY2CLY

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/ITFY2CLYN5JUKITA34U5DROOGL \
  | 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: 44cb8d09786f53452260df29d1c5ce32e76050ee7807252183148a018c58bc54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d36b6fd67bf37c9c368d01fd310b4dad44cf41efe32c1410648af3ae0a14b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-21T13:49:01Z",
    "title_canon_sha256": "d5bed97869d1530e623254bd1cca1e2d355ee015327c77a91f34d34ba44aa436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5402",
    "kind": "arxiv",
    "version": 1
  }
}