Pith Number

pith:4ARSWM6T

pith:2019:4ARSWM6TIAQ3REVDSKPHC57QYB

not attested not anchored not stored refs pending

Astro2020 Science White Paper: Populations of Black Holes in Binaries

Chris L. Fryer (Los Alamos), Eric Bellm (Washington), James F. Steiner (MIT), James Miller-Jones (Curtin University), Jay Strader (MSU), Jerome Orosz (San Diego State), John A. Tomsick (University of California), Katelyn Breivik (CITA), Laura Chomiuk (Michigan State), Shane Larson (Northwestern), Thomas J. Maccarone (Texas Tech University), Vicky Kalogera

arxiv:1904.11842 v1 · 2019-04-26 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ARSWM6TIAQ3REVDSKPHC57QYB}

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	2026-05-17T23:47:40.810193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0232b33d34021b892a3929e7177f0c0795363d8d161faf168454ae7c7d63576

Aliases

arxiv: 1904.11842 · arxiv_version: 1904.11842v1 · doi: 10.48550/arxiv.1904.11842 · pith_short_12: 4ARSWM6TIAQ3 · pith_short_16: 4ARSWM6TIAQ3REVD · pith_short_8: 4ARSWM6T

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/4ARSWM6TIAQ3REVDSKPHC57QYB \
  | 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: e0232b33d34021b892a3929e7177f0c0795363d8d161faf168454ae7c7d63576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b23451085bac61954c034f6b1fcc81c78c1190263cef94df593163d250f5fa6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-26T13:36:59Z",
    "title_canon_sha256": "324dc36ee7fcafa723dfb652ccf91e0c50edaef977735af399a3022617aade4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11842",
    "kind": "arxiv",
    "version": 1
  }
}