Pith Number

pith:LOYDPS7U

pith:2011:LOYDPS7USY4GJEZYT44IP3EO73

not attested not anchored not stored refs pending

AGN disks and black holes on the weighting scales

Cl\'ement Surville, Franck Hersant, Jean-Marc Hur\'e, Naomasa Nakai, Thierry Jacq

arxiv:1104.2457 v2 · 2011-04-13 · 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{LOYDPS7USY4GJEZYT44IP3EO73}

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	2026-05-18T02:02:32.245968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bb037cbf496386493389f3887ec8efeffde242e0c93fd7aa5f9c21ad7a1b5b4

Aliases

arxiv: 1104.2457 · arxiv_version: 1104.2457v2 · doi: 10.48550/arxiv.1104.2457 · pith_short_12: LOYDPS7USY4G · pith_short_16: LOYDPS7USY4GJEZY · pith_short_8: LOYDPS7U

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/LOYDPS7USY4GJEZYT44IP3EO73 \
  | 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: 5bb037cbf496386493389f3887ec8efeffde242e0c93fd7aa5f9c21ad7a1b5b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a096b506ad24a717691412c4625c0de991c634fe0c31262fb7184f6bc89c487d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-13T12:01:14Z",
    "title_canon_sha256": "28012d4929499934c0a642b0c8115fe1649cb18fdb204ead5d44ff9cc81965bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2457",
    "kind": "arxiv",
    "version": 2
  }
}