Pith Number

pith:W6HIF67O

pith:2012:W6HIF67OHR4SQJOSAWOYVOGWXE

not attested not anchored not stored refs pending

Supermassive Seeds for Supermassive Black Holes

Daniel E. Holz (U. of Chicago), Daniel J. Whalen (CMU, Hui Li (LANL), Jarrett L. Johnson (LANL), LANL)

arxiv:1211.0548 v3 · 2012-11-02 · 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{W6HIF67OHR4SQJOSAWOYVOGWXE}

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	2026-05-18T01:53:26.397726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78e82fbee3c792825d2059d8ab8d6b926acbb211234067f49f3e0a0f7c778e1

Aliases

arxiv: 1211.0548 · arxiv_version: 1211.0548v3 · doi: 10.48550/arxiv.1211.0548 · pith_short_12: W6HIF67OHR4S · pith_short_16: W6HIF67OHR4SQJOS · pith_short_8: W6HIF67O

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/W6HIF67OHR4SQJOSAWOYVOGWXE \
  | 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: b78e82fbee3c792825d2059d8ab8d6b926acbb211234067f49f3e0a0f7c778e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85b4417bc5290ab8a34f4ab085a6803540346f13b16c4b32f0c9851ad7959214",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-02T20:01:04Z",
    "title_canon_sha256": "fa0e992908964777af6c3df62d9168af1571dfc477acdf2416a5641bf76bd16f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0548",
    "kind": "arxiv",
    "version": 3
  }
}