Pith Number

pith:BUB64O5Q

pith:2001:BUB64O5QSPD6WFQVCRUR2SHIAR

not attested not anchored not stored refs pending

Response of VIRGO detectors to pre-big-bang gravitons

Danilo Babusci (INFN, Frascati), Lausanne University), Massimo Giovannini (Institute for Theoretical Physics

arxiv:gr-qc/0108015 v1 · 2001-08-04 · gr-qc · astro-ph · hep-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{BUB64O5QSPD6WFQVCRUR2SHIAR}

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	2026-07-04T16:26:56.702930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d03ee3bb093c7eb161514691d48e8045610c30ca3666e96273b64f3382d4bbf

Aliases

arxiv: gr-qc/0108015 · arxiv_version: gr-qc/0108015v1 · doi: 10.48550/arxiv.gr-qc/0108015 · pith_short_12: BUB64O5QSPD6 · pith_short_16: BUB64O5QSPD6WFQV · pith_short_8: BUB64O5Q

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/BUB64O5QSPD6WFQVCRUR2SHIAR \
  | 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: 0d03ee3bb093c7eb161514691d48e8045610c30ca3666e96273b64f3382d4bbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10308f6a7ea249b8d85d2ad3a36b34594f969b09c474b63d662cabf4bdb05575",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-08-04T16:51:03Z",
    "title_canon_sha256": "f9fa28dbb78ca8e96e721ab3a36ea182bc43e65f90d296226ea00d15bb2d14a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0108015",
    "kind": "arxiv",
    "version": 1
  }
}