Pith Number

pith:WXBSKG42

pith:2007:WXBSKG42A6KCBATFD4TW7CCJBL

not attested not anchored not stored refs pending

All-sky search for periodic gravitational waves in LIGO S4 data

et al, LIGO Scientific Collaboration: B. Abbott

arxiv:0708.3818 v2 · 2007-08-28 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WXBSKG42A6KCBATFD4TW7CCJBL}

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	2026-05-18T02:35:30.505025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5c3251b9a07942082651f276f88490aef2559810a982afb0c1f4dea3b70629a

Aliases

arxiv: 0708.3818 · arxiv_version: 0708.3818v2 · doi: 10.48550/arxiv.0708.3818 · pith_short_12: WXBSKG42A6KC · pith_short_16: WXBSKG42A6KCBATF · pith_short_8: WXBSKG42

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/WXBSKG42A6KCBATFD4TW7CCJBL \
  | 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: b5c3251b9a07942082651f276f88490aef2559810a982afb0c1f4dea3b70629a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6edcf9a3da365ed2ba120a3a216a3b1d63ca2026152f80500da7e11a76742944",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-08-28T16:47:58Z",
    "title_canon_sha256": "3f638da7a8a3f1063ff199b4b1fd8fb23b5317e69230b45f0c35221bfc18fd0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.3818",
    "kind": "arxiv",
    "version": 2
  }
}