Pith Number

pith:FCJEBCOA

pith:2009:FCJEBCOAM2CJMRBB7UKONEPECO

not attested not anchored not stored refs pending

Luminous Thermal Flares from Quiescent Supermassive Black Holes

David Schiminovich, D. Chris Martin, Karl Forster, Mark Seibert, Michael Eracleous, Patrick Morrissey, S. Bradley Cenko, Susan G. Neff, Suvi Gezari, Ted K. Wyder, Thiago S. Goncalves, Tim Heckman

arxiv:0904.1596 v2 · 2009-04-09 · 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{FCJEBCOAM2CJMRBB7UKONEPECO}

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	2026-05-18T04:29:43.641165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28924089c06684964421fd14e691e41388fddfcd9e52f5a7ecbbf7aa4dffc342

Aliases

arxiv: 0904.1596 · arxiv_version: 0904.1596v2 · doi: 10.48550/arxiv.0904.1596 · pith_short_12: FCJEBCOAM2CJ · pith_short_16: FCJEBCOAM2CJMRBB · pith_short_8: FCJEBCOA

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/FCJEBCOAM2CJMRBB7UKONEPECO \
  | 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: 28924089c06684964421fd14e691e41388fddfcd9e52f5a7ecbbf7aa4dffc342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "513d947aa1cce357c577fba8d10ae49e1aec57d82b76e47af7a316e15b82f6b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-09T20:14:50Z",
    "title_canon_sha256": "754699abb73908502d8219c21f0f2ced7eb6770c31f4c5aff177b69def6312d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1596",
    "kind": "arxiv",
    "version": 2
  }
}