Pith Number

pith:7RA325FT

pith:2020:7RA325FTVTLVKH2QAZ5SFTANTA

not attested not anchored not stored refs pending

Black Hole Mass Function of Coalescing Neutron Star-Black Hole Binary Systems: The Prospect of Reconstruction with the Gravitational Wave Observations

Da-Ming Wei, Hao Wang, Ming-Zhe Han, Shao-Peng Tang, Yi-Zhong Fan, Yuan-Zhu Wang

arxiv:2002.07573 v2 · 2020-02-18 · astro-ph.HE · 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{7RA325FTVTLVKH2QAZ5SFTANTA}

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	2026-07-05T00:51:06.811963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc41bd74b3acd7551f50067b22cc0d982f7e49bb5ab604680fbbd3922ffac221

Aliases

arxiv: 2002.07573 · arxiv_version: 2002.07573v2 · doi: 10.48550/arxiv.2002.07573 · pith_short_12: 7RA325FTVTLV · pith_short_16: 7RA325FTVTLVKH2Q · pith_short_8: 7RA325FT

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/7RA325FTVTLVKH2QAZ5SFTANTA \
  | 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: fc41bd74b3acd7551f50067b22cc0d982f7e49bb5ab604680fbbd3922ffac221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d93fe322cea4bf8f225dd5032f9a608c6914e376aec09cb9f8e2829e037316",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-02-18T14:15:49Z",
    "title_canon_sha256": "3392645e9257f078800358bf726ff638096535cb42740329e11871b8f7684956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07573",
    "kind": "arxiv",
    "version": 2
  }
}