Pith Number

pith:QB2HN33N

pith:1995:QB2HN33NCI2HRN7KYKBV2WVJPD

not attested not anchored not stored refs pending

Probing the gravitational geon

F.I. Cooperstock, G.P. Perry (University of Victoria), V. Faraoni

arxiv:gr-qc/9512025 v2 · 1995-12-12 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QB2HN33NCI2HRN7KYKBV2WVJPD}

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	2026-05-18T04:35:34.234010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

807476ef6d123478b7eac2835d5aa978cf646973afe488e905c7b972b8a9df85

Aliases

arxiv: gr-qc/9512025 · arxiv_version: gr-qc/9512025v2 · doi: 10.48550/arxiv.gr-qc/9512025 · pith_short_12: QB2HN33NCI2H · pith_short_16: QB2HN33NCI2HRN7K · pith_short_8: QB2HN33N

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/QB2HN33NCI2HRN7KYKBV2WVJPD \
  | 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: 807476ef6d123478b7eac2835d5aa978cf646973afe488e905c7b972b8a9df85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b06fcf9229a0974ec9f293b34bbb8418fce6089648244f8c6e7b5b154d871b2b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-12-12T00:32:14Z",
    "title_canon_sha256": "fb8c8b5bd905023b12251b5956f02abb0813a2fce67cd7e52614640a3b94a496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9512025",
    "kind": "arxiv",
    "version": 2
  }
}