Pith Number

pith:B7LXBQJJ

pith:2013:B7LXBQJJXULLYIBMPEWHYQY5VD

not attested not anchored not stored refs pending

Where the world stands still: turnaround as a strong test of \Lambda CDM cosmology

Theodore N. Tomaras, Vasiliki Pavlidou

arxiv:1310.1920 v3 · 2013-10-07 · 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{B7LXBQJJXULLYIBMPEWHYQY5VD}

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	2026-05-18T01:47:14.242564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd770c129bd16bc202c792c7c431da8cb155104f86bbf75518c14a5f4ba2ae7

Aliases

arxiv: 1310.1920 · arxiv_version: 1310.1920v3 · doi: 10.48550/arxiv.1310.1920 · pith_short_12: B7LXBQJJXULL · pith_short_16: B7LXBQJJXULLYIBM · pith_short_8: B7LXBQJJ

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/B7LXBQJJXULLYIBMPEWHYQY5VD \
  | 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: 0fd770c129bd16bc202c792c7c431da8cb155104f86bbf75518c14a5f4ba2ae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c9037cd58c6a4c42503e7aa440491e5d6335dfeacb61286333031077ad31240",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-07T20:00:02Z",
    "title_canon_sha256": "ef02516431d51f47dcb651df5042d18c7e7562b51afbaafd44f0e6838092f4cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1920",
    "kind": "arxiv",
    "version": 3
  }
}