Pith Number

pith:S37EGLQL

pith:2013:S37EGLQL7NTI42KWHMM7M6Y7SK

not attested not anchored not stored refs pending

Internal Cluster Structure

Marceau Limousin, Massimo Meneghetti, Matthias Bartelmann, Robert Schmidt

arxiv:1303.3285 v1 · 2013-03-13 · 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{S37EGLQL7NTI42KWHMM7M6Y7SK}

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	2026-05-18T01:51:07.735678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96fe432e0bfb668e69563b19f67b1f928804d0b9946c26151f6b45c0e405e0ce

Aliases

arxiv: 1303.3285 · arxiv_version: 1303.3285v1 · doi: 10.48550/arxiv.1303.3285 · pith_short_12: S37EGLQL7NTI · pith_short_16: S37EGLQL7NTI42KW · pith_short_8: S37EGLQL

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/S37EGLQL7NTI42KWHMM7M6Y7SK \
  | 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: 96fe432e0bfb668e69563b19f67b1f928804d0b9946c26151f6b45c0e405e0ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d21e0d395be64d43d1870af4b6e65aee5000d1ba6da0460941eb7a422988bab6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-13T20:35:00Z",
    "title_canon_sha256": "7adc111b8db592d92a4ed666822bef85c9889e7b8802ea198756dc92d34681c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3285",
    "kind": "arxiv",
    "version": 1
  }
}