Pith Number

pith:MNGNARRJ

pith:2013:MNGNARRJ3CZR7KTJVFOGOSESOY

not attested not anchored not stored refs pending

Formation and Coalescence of Cosmological Supermassive Black Hole Binaries in Supermassive Star Collapse

(2) Perimeter Institute), Caltech, C. D. Ott (1), C. Reisswig (1), E. Abdikamalov (1), E. Schnetter (2) ((1) TAPIR, P. Moesta (1), R. Haas (1)

arxiv:1304.7787 v2 · 2013-04-29 · astro-ph.CO · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MNGNARRJ3CZR7KTJVFOGOSESOY}

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	2026-05-18T01:50:14.405863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

634cd04629d8b31faa69a95c674892761c4a2ac226c8757bf2c044bd40a8c9bf

Aliases

arxiv: 1304.7787 · arxiv_version: 1304.7787v2 · doi: 10.48550/arxiv.1304.7787 · pith_short_12: MNGNARRJ3CZR · pith_short_16: MNGNARRJ3CZR7KTJ · pith_short_8: MNGNARRJ

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/MNGNARRJ3CZR7KTJVFOGOSESOY \
  | 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: 634cd04629d8b31faa69a95c674892761c4a2ac226c8757bf2c044bd40a8c9bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ec3603065ab79eb73ca8eda995915abce5397f932a548d233132f28e8f67946",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-29T20:04:12Z",
    "title_canon_sha256": "65393eb4e024d544c779278b902b7dd8c0b26491996f9c83d72d85e56d57e9f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7787",
    "kind": "arxiv",
    "version": 2
  }
}