Pith Number

pith:OEFDZPVG

pith:2010:OEFDZPVGLFJEBLH2SNXTSPCKXE

not attested not anchored not stored refs pending

The growth of supermassive black holes fed by accretion disks

J.A. de Freitas Pacheco (1) ((1) Universit\'e de Nice-Sophia Antipolis, M.A. Montesinos (1), Nice - France), Observatoire de la C\^ote d'Azur

arxiv:1008.4150 v2 · 2010-08-24 · 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{OEFDZPVGLFJEBLH2SNXTSPCKXE}

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	2026-05-18T02:09:54.878934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

710a3cbea6595240acfa936f393c4ab9132c93ea3cd613e687a083df5f3838bd

Aliases

arxiv: 1008.4150 · arxiv_version: 1008.4150v2 · doi: 10.48550/arxiv.1008.4150 · pith_short_12: OEFDZPVGLFJE · pith_short_16: OEFDZPVGLFJEBLH2 · pith_short_8: OEFDZPVG

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/OEFDZPVGLFJEBLH2SNXTSPCKXE \
  | 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: 710a3cbea6595240acfa936f393c4ab9132c93ea3cd613e687a083df5f3838bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a99a5b2db9be65c432de25deb9af9b4001210c490d833b0e90cf2550a8a85b98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-24T21:01:17Z",
    "title_canon_sha256": "dd4a3ade018c16140e4e7f823332cdcf0a948e5bbc521508b77f92b807868087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4150",
    "kind": "arxiv",
    "version": 2
  }
}