Pith Number

pith:H4S4JKX5

pith:2000:H4S4JKX5DTHYB4BRK32UBU6MKG

not attested not anchored not stored refs pending

On Upper Limits for Gravitational Radiation

G. Pizzella, P. Astone

arxiv:gr-qc/0001035 v2 · 2000-01-12 · gr-qc · hep-ex · hep-ph · math.PR · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4S4JKX5DTHYB4BRK32UBU6MKG}

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	2026-05-18T04:21:32.011165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f25c4aafd1ccf80f03156f540d3cc51a2f9c91121d82c1c611773661b189196

Aliases

arxiv: gr-qc/0001035 · arxiv_version: gr-qc/0001035v2 · doi: 10.48550/arxiv.gr-qc/0001035 · pith_short_12: H4S4JKX5DTHY · pith_short_16: H4S4JKX5DTHYB4BR · pith_short_8: H4S4JKX5

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/H4S4JKX5DTHYB4BRK32UBU6MKG \
  | 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: 3f25c4aafd1ccf80f03156f540d3cc51a2f9c91121d82c1c611773661b189196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "929f6c0d250e929847f0bddf0b48c906d7c2864b6cb247204f05a45a90ef885f",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-ph",
      "math.PR",
      "physics.data-an"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-01-12T14:26:45Z",
    "title_canon_sha256": "8473b37164700f059bdf5004be914787cc2c5279d22cd9a404d4679cfb55de2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0001035",
    "kind": "arxiv",
    "version": 2
  }
}