Pith Number

pith:RRBLPXQA

pith:2009:RRBLPXQATBQL7RLCATAS6DBNWL

not attested not anchored not stored refs pending

How Do Massive Black Holes Get Their Gas?

Eliot Quataert (Berkeley), Philip F. Hopkins

arxiv:0912.3257 v2 · 2009-12-16 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRBLPXQATBQL7RLCATAS6DBNWL}

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.

Cited by

1 paper in Pith

Non-Equilibrium Relativistic Core Collapse of Self-Interacting Dark Matter Halos -- Limits On Seed Black Hole Mass

Receipt and verification

First computed	2026-05-18T03:53:05.265249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c42b7de009860bfc56204c12f0c2db2d42611b85230e15096fa8c6e007f4bcf

Aliases

arxiv: 0912.3257 · arxiv_version: 0912.3257v2 · doi: 10.48550/arxiv.0912.3257 · pith_short_12: RRBLPXQATBQL · pith_short_16: RRBLPXQATBQL7RLC · pith_short_8: RRBLPXQA

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/RRBLPXQATBQL7RLCATAS6DBNWL \
  | 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: 8c42b7de009860bfc56204c12f0c2db2d42611b85230e15096fa8c6e007f4bcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fec21f74b367d506f06c3db9e3ae5b427ef205d535580b2e5bfdeb7ec71c9bd8",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-16T21:02:40Z",
    "title_canon_sha256": "8acb45b26b4cdf34a488fe8341b8adfc7e8cb643c439d19bbf933d30b5f97bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3257",
    "kind": "arxiv",
    "version": 2
  }
}