Pith Number

pith:MY3V6BP2

pith:2021:MY3V6BP22H3KMM5MWXX2F2M7CD

not attested not anchored not stored refs pending

On the single-event-based identification of primordial black hole mergers at cosmological distances

Boris Goncharov, B. S. Sathyaprakash, Jan Harms, Ken K. Y. Ng, Marica Branchesi, Michele Maggiore, Salvatore Vitale, Shiqi Chen, Ssohrab Borhanian, Ulyana Dupletsa

arxiv:2108.07276 v2 · 2021-08-16 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MY3V6BP22H3KMM5MWXX2F2M7CD}

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

Targeting black holes from metal-poor progenitors with next-generation gravitational-wave detectors

Receipt and verification

First computed	2026-07-05T04:27:44.669425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66375f05fad1f6a633acb5efa2e99f10c3ad6569c6ccdc83db759c47b6a3fc9a

Aliases

arxiv: 2108.07276 · arxiv_version: 2108.07276v2 · doi: 10.48550/arxiv.2108.07276 · pith_short_12: MY3V6BP22H3K · pith_short_16: MY3V6BP22H3KMM5M · pith_short_8: MY3V6BP2

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/MY3V6BP22H3KMM5MWXX2F2M7CD \
  | 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: 66375f05fad1f6a633acb5efa2e99f10c3ad6569c6ccdc83db759c47b6a3fc9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f316d103cb5c25760057dd0a092ae13a3f66c3532e35a31baa16ea15b9688380",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-08-16T18:00:01Z",
    "title_canon_sha256": "1342654bd12dd178a00d4b01e75f13e5b8c445dbf4fbd27f8c1e7e746e76b04a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07276",
    "kind": "arxiv",
    "version": 2
  }
}