Pith Number

pith:JNCFROFY

pith:1998:JNCFROFY5L4DWJ7DP3JPA6PTQA

not attested not anchored not stored refs pending

Symmetries of Taub-NUT Dual Metrics

2), (2) Institute for Space Sciences, Bucharest, Dubna, Dumitru Baleanu (1, JINR, Romania), Russia, Sorin Codoban (1) ((1) Bogoliubov LTPh

arxiv:gr-qc/9807043 v3 · 1998-07-16 · 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{JNCFROFY5L4DWJ7DP3JPA6PTQA}

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	2026-05-18T01:39:18.475791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b4458b8b8eaf83b27e37ed2f079f3801fe1f09090251132810ac9467aa1bf00

Aliases

arxiv: gr-qc/9807043 · arxiv_version: gr-qc/9807043v3 · doi: 10.48550/arxiv.gr-qc/9807043 · pith_short_12: JNCFROFY5L4D · pith_short_16: JNCFROFY5L4DWJ7D · pith_short_8: JNCFROFY

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/JNCFROFY5L4DWJ7DP3JPA6PTQA \
  | 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: 4b4458b8b8eaf83b27e37ed2f079f3801fe1f09090251132810ac9467aa1bf00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c572409c0e9072543871511c0a66e9d57e00b1ec5c8ce3bd5ac15f90749437e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-07-16T17:43:11Z",
    "title_canon_sha256": "4f4aa93e2ff9a39cbfeadf8f4e04ba6da122fd849d7ad35b744df25818c1cd7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9807043",
    "kind": "arxiv",
    "version": 3
  }
}