Pith Number

pith:ZGNC4MMX

pith:2020:ZGNC4MMXL7J7SX2NZCWG3JAWRE

not attested not anchored not stored refs pending

Separating Accretion and Mergers in the Cosmic Growth of Black Holes with X-ray and Gravitational Wave Observations

Abraham Loeb, Fabio Pacucci

arxiv:2004.07246 v2 · 2020-04-15 · astro-ph.GA · astro-ph.CO · 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{ZGNC4MMXL7J7SX2NZCWG3JAWRE}

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

Gravitational waves and cosmic boundary

Receipt and verification

First computed	2026-07-05T01:07:13.600161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c99a2e31975fd3f95f4dc8ac6da416891b5446581fdc298a49ed1e8f809791ac

Aliases

arxiv: 2004.07246 · arxiv_version: 2004.07246v2 · doi: 10.48550/arxiv.2004.07246 · pith_short_12: ZGNC4MMXL7J7 · pith_short_16: ZGNC4MMXL7J7SX2N · pith_short_8: ZGNC4MMX

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/ZGNC4MMXL7J7SX2NZCWG3JAWRE \
  | 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: c99a2e31975fd3f95f4dc8ac6da416891b5446581fdc298a49ed1e8f809791ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc4d5275d5eda782e99abf64f1feacd8540624e0cb262793d47c03fe591d5882",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-15T18:00:01Z",
    "title_canon_sha256": "f54e42d8c43d281236173058aaeccd3d46256d335bce13212eb0b6b3ec4b42da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07246",
    "kind": "arxiv",
    "version": 2
  }
}