Pith Number

pith:RIEFDGNJ

pith:2020:RIEFDGNJGXPK2ADBT67DZLBUO5

not attested not anchored not stored refs pending

Merging Black Holes in the Low-mass and High-mass Gaps from 2+2 Quadruple Systems

Abraham Loeb, Frederic A. Rasio, Giacomo Fragione

arxiv:2002.11278 v2 · 2020-02-26 · 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{RIEFDGNJGXPK2ADBT67DZLBUO5}

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

Inferring the pair-instability mass gap from gravitational wave data

Receipt and verification

First computed	2026-07-05T01:05:44.121841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a085199a935dead00619fbe3cac34776905d1fc7f57a051f6975b3d27fe010c

Aliases

arxiv: 2002.11278 · arxiv_version: 2002.11278v2 · doi: 10.48550/arxiv.2002.11278 · pith_short_12: RIEFDGNJGXPK · pith_short_16: RIEFDGNJGXPK2ADB · pith_short_8: RIEFDGNJ

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/RIEFDGNJGXPK2ADBT67DZLBUO5 \
  | 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: 8a085199a935dead00619fbe3cac34776905d1fc7f57a051f6975b3d27fe010c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "163023c966831f03ea8d51439f0729029494ce881b7fae5b943720dfc95f05d2",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-26T03:33:01Z",
    "title_canon_sha256": "f4f631af7aa6f7acfd3470426c1851df54e0666bf5335e2af88637ada3a73ce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11278",
    "kind": "arxiv",
    "version": 2
  }
}