Pith Number

pith:QYB2CKMF

pith:2015:QYB2CKMFKEBC7L5TPAA4PVKUQR

not attested not anchored not stored refs pending

Distinguishing types of compact-object binaries using the gravitational-wave signatures of their mergers

Carl-Johan Haster, Ilya Mandel, Krzysztof Belczynski, Michal Dominik

arxiv:1503.03172 v2 · 2015-03-11 · astro-ph.HE · astro-ph.SR · 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{QYB2CKMFKEBC7L5TPAA4PVKUQR}

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	2026-05-18T02:17:11.062506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8603a1298551022fafb37801c7d5548464b95a1d2c7f1e8dc0a1935549e12ced

Aliases

arxiv: 1503.03172 · arxiv_version: 1503.03172v2 · doi: 10.48550/arxiv.1503.03172 · pith_short_12: QYB2CKMFKEBC · pith_short_16: QYB2CKMFKEBC7L5T · pith_short_8: QYB2CKMF

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/QYB2CKMFKEBC7L5TPAA4PVKUQR \
  | 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: 8603a1298551022fafb37801c7d5548464b95a1d2c7f1e8dc0a1935549e12ced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "978426a4e72e9d9f92febcf5535f69e3e63b540e32057a4cd98f1dc5cce353cf",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-11T04:40:58Z",
    "title_canon_sha256": "14c13457e1e1685224b5aba4628d4165cbe6ce7b65e6f755be59fe5fc8130f54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03172",
    "kind": "arxiv",
    "version": 2
  }
}