Pith Number

pith:VRB3C3BB

pith:2015:VRB3C3BBXSXUT4KAVHOSJUGSRC

not attested not anchored not stored refs pending

Cosmology

INR), V.A. Rubakov (Moscow

arxiv:1504.03587 v1 · 2015-04-14 · 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{VRB3C3BBXSXUT4KAVHOSJUGSRC}

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	2026-05-18T02:18:50.477172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac43b16c21bcaf49f140a9dd24d0d288ac465c820f55115dd9d571004046e216

Aliases

arxiv: 1504.03587 · arxiv_version: 1504.03587v1 · doi: 10.48550/arxiv.1504.03587 · pith_short_12: VRB3C3BBXSXU · pith_short_16: VRB3C3BBXSXUT4KA · pith_short_8: VRB3C3BB

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/VRB3C3BBXSXUT4KAVHOSJUGSRC \
  | 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: ac43b16c21bcaf49f140a9dd24d0d288ac465c820f55115dd9d571004046e216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a2e283afc34bccfbef5435a984cc7127c52bee118f78d20f9108cb7b2184c28",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-04-14T15:33:25Z",
    "title_canon_sha256": "5396f2da47813e33bc0bc59c6ea985b99d80f56678e381b840a063f08815194b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03587",
    "kind": "arxiv",
    "version": 1
  }
}