Pith Number

pith:6YDFSPCT

pith:2013:6YDFSPCTC6VG7E4WCH2E665OJC

not attested not anchored not stored refs pending

Bolometric luminosity black-hole growth time and slim accretion discs in active galactic nuclei

Benny Trakhtenbrot, Hagai Netzer

arxiv:1311.4215 v1 · 2013-11-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YDFSPCTC6VG7E4WCH2E665OJC}

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	2026-05-18T01:46:23.937752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f606593c5317aa6f939611f44f7bae48bbeedd4a416941a2ecc3bb5addab05a6

Aliases

arxiv: 1311.4215 · arxiv_version: 1311.4215v1 · doi: 10.48550/arxiv.1311.4215 · pith_short_12: 6YDFSPCTC6VG · pith_short_16: 6YDFSPCTC6VG7E4W · pith_short_8: 6YDFSPCT

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/6YDFSPCTC6VG7E4WCH2E665OJC \
  | 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: f606593c5317aa6f939611f44f7bae48bbeedd4a416941a2ecc3bb5addab05a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe7fe87db55dc7cc3c2cc83c79f5f6fdde1f00ab291d7b94ba6aa00e420ea02e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-17T21:00:03Z",
    "title_canon_sha256": "3dc860f54fa0d12cad52dad66e3715690365f18822a12f5d60b14a2184c01038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4215",
    "kind": "arxiv",
    "version": 1
  }
}