Pith Number

pith:2IMIGWGQ

pith:1995:2IMIGWGQXTTDOU4EBHEOTXEGFI

not attested not anchored not stored refs pending

The Large-Scale Distribution of Quasars

A.V.Kravtsov, B.V.Komberg, Lebedev Physical Institute, Moscow), V.N.Lukash (Astro Space Center

arxiv:astro-ph/9502056 v1 · 1995-02-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IMIGWGQXTTDOU4EBHEOTXEGFI}

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	2026-05-18T01:07:42.261344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2188358d0bce637538409c8e9dc862a1552add13e0671f06cf9b1e1bb3381a9

Aliases

arxiv: astro-ph/9502056 · arxiv_version: astro-ph/9502056v1 · doi: 10.48550/arxiv.astro-ph/9502056 · pith_short_12: 2IMIGWGQXTTD · pith_short_16: 2IMIGWGQXTTDOU4E · pith_short_8: 2IMIGWGQ

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/2IMIGWGQXTTDOU4EBHEOTXEGFI \
  | 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: d2188358d0bce637538409c8e9dc862a1552add13e0671f06cf9b1e1bb3381a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edab67156942b89399b8361d1ecd93c541c6270c3e9e644d22b12b8c319ed407",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-02-10T14:13:39Z",
    "title_canon_sha256": "253269560a1221b8bd2b341971bf4658aaa950685f2f7e0ecf3ec0b8fec5dcb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9502056",
    "kind": "arxiv",
    "version": 1
  }
}