Pith Number

pith:LM6LQVCS

pith:2020:LM6LQVCSKK43BVRY7D36RDCJEJ

not attested not anchored not stored refs pending

Is GW190425 consistent with being a neutron star$-$black hole merger?

Da-Ming Wei, Jin-Liang Jiang, Ming-Zhe Han, Shao-Peng Tang, Yi-Ming Hu, Yin-Jie Li, Yi-Zhong Fan, Zhi-Ping Jin

arxiv:2001.07882 v2 · 2020-01-22 · 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{LM6LQVCSKK43BVRY7D36RDCJEJ}

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	2026-07-05T00:44:07.651596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b3cb8545252b9b0d638f8f7e88c492273878e9a2d22679958172d147dc2b7d7

Aliases

arxiv: 2001.07882 · arxiv_version: 2001.07882v2 · doi: 10.48550/arxiv.2001.07882 · pith_short_12: LM6LQVCSKK43 · pith_short_16: LM6LQVCSKK43BVRY · pith_short_8: LM6LQVCS

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/LM6LQVCSKK43BVRY7D36RDCJEJ \
  | 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: 5b3cb8545252b9b0d638f8f7e88c492273878e9a2d22679958172d147dc2b7d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a55dc469ebfc40ba0116cb6658d9bd40619af64b56c40cd2ed3edfe3ae3a46bf",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-01-22T05:12:55Z",
    "title_canon_sha256": "57a02e80a9a8a95d7f6483b2e1556a4e765f130b401cfa9c3d6e74e05fedeea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07882",
    "kind": "arxiv",
    "version": 2
  }
}