pith. sign in
Pith Number

pith:7QAXQ2RZ

pith:2016:7QAXQ2RZLVJCEP42C7FKFIKQSL
not attested not anchored not stored refs pending

How the green light was given for gravitational wave search

C Denson Hill, Pawel Nurowski

arxiv:1608.08673 v1 · 2016-08-30 · physics.hist-ph · astro-ph.CO · gr-qc · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7QAXQ2RZLVJCEP42C7FKFIKQSL}

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 2026-05-18T01:04:53.222722Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fc01786a395d52223f9a17caa2a15092d3a9cd3f629d528c84a9d18d719d9f43

Aliases

arxiv: 1608.08673 · arxiv_version: 1608.08673v1 · doi: 10.48550/arxiv.1608.08673 · pith_short_12: 7QAXQ2RZLVJC · pith_short_16: 7QAXQ2RZLVJCEP42 · pith_short_8: 7QAXQ2RZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7QAXQ2RZLVJCEP42C7FKFIKQSL \
  | 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: fc01786a395d52223f9a17caa2a15092d3a9cd3f629d528c84a9d18d719d9f43
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b28b547a7720007987feae428437f89772f10355f09f8547b61fd96dba57bb8e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2016-08-30T22:22:43Z",
    "title_canon_sha256": "b0d3d858b0ef40b19b10bdd0570bde0fc4ec5a158cd4a2fc95d4d74f2bec181a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08673",
    "kind": "arxiv",
    "version": 1
  }
}