Pith Number

pith:H35FHVRU

pith:2013:H35FHVRUR3BH2TTNI4BERB3R3Q

not attested not anchored not stored refs pending

Cosmological models and stability

Lars Andersson

arxiv:1310.1880 v1 · 2013-10-07 · 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{H35FHVRUR3BH2TTNI4BERB3R3Q}

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	2026-05-18T01:47:14.353414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3efa53d6348ec27d4e6d4702488771dc040e1f6c091c587b52c889a822f2f723

Aliases

arxiv: 1310.1880 · arxiv_version: 1310.1880v1 · doi: 10.48550/arxiv.1310.1880 · pith_short_12: H35FHVRUR3BH · pith_short_16: H35FHVRUR3BH2TTN · pith_short_8: H35FHVRU

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/H35FHVRUR3BH2TTNI4BERB3R3Q \
  | 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: 3efa53d6348ec27d4e6d4702488771dc040e1f6c091c587b52c889a822f2f723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e641c14376a8f8e199e53519d890764ace0c81ee037d63718596c2c7b564f35c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-10-07T18:29:32Z",
    "title_canon_sha256": "f5ab9679decf4b810e0ba8772122a8d817ca2499a41bb80194fa7afc6e45bdb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1880",
    "kind": "arxiv",
    "version": 1
  }
}