Pith Number

pith:K54ECGGT

pith:2007:K54ECGGTPDPTHXXCNB6ZKP2ZMZ

not attested not anchored not stored refs pending

Search for gravitational wave radiation associated with the pulsating tail of the SGR 1806-20 hyperflare of 27 December 2004 using LIGO

The LIGO Scientific Collaboration

arxiv:astro-ph/0703419 v2 · 2007-03-15 · 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{K54ECGGTPDPTHXXCNB6ZKP2ZMZ}

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	2026-05-18T03:47:42.925611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57784118d378df33dee2687d953f59665bc70e9fd6dea67a6d79fbbad128e838

Aliases

arxiv: astro-ph/0703419 · arxiv_version: astro-ph/0703419v2 · doi: 10.48550/arxiv.astro-ph/0703419 · pith_short_12: K54ECGGTPDPT · pith_short_16: K54ECGGTPDPTHXXC · pith_short_8: K54ECGGT

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/K54ECGGTPDPTHXXCNB6ZKP2ZMZ \
  | 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: 57784118d378df33dee2687d953f59665bc70e9fd6dea67a6d79fbbad128e838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2927ccd73e9e1d15c0455302f10a5bdb3ef9ee49df688385c8cdae153a6d03d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-15T20:07:40Z",
    "title_canon_sha256": "cb8c21aaac42b42c9c079d3f3557d1e8dd48a2f70c5ecb72ad008aec81a74a4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703419",
    "kind": "arxiv",
    "version": 2
  }
}