Pith Number

pith:DAK6PQJQ

pith:2018:DAK6PQJQYEYYHEG63D7O5IPUCT

not attested not anchored not stored refs pending

Constraining black-hole spins with gravitational wave observations

Mark Hannam, Stephen Fairhurst, Vaibhav Tiwari

arxiv:1809.01401 v2 · 2018-09-05 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAK6PQJQYEYYHEG63D7O5IPUCT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

An Implementation to Identify the Properties of Multiple Population of Gravitational Wave Sources

Receipt and verification

First computed	2026-05-17T23:58:37.803168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1815e7c130c1318390ded8feeea1f414fa1d1def1132da8723ddf01a7f57b5be

Aliases

arxiv: 1809.01401 · arxiv_version: 1809.01401v2 · doi: 10.48550/arxiv.1809.01401 · pith_short_12: DAK6PQJQYEYY · pith_short_16: DAK6PQJQYEYYHEG6 · pith_short_8: DAK6PQJQ

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/DAK6PQJQYEYYHEG63D7O5IPUCT \
  | 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: 1815e7c130c1318390ded8feeea1f414fa1d1def1132da8723ddf01a7f57b5be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d10c5886bdc2f69cba076014f3c378a999bde9547e534cab159b0dfc4c5a2423",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-05T09:30:25Z",
    "title_canon_sha256": "4d8c00f617c7c9aaf7ade964642043f069c68eb09c71b1cdc66f8db0c128e4cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01401",
    "kind": "arxiv",
    "version": 2
  }
}