Pith Number

pith:DNUPCROS

pith:2010:DNUPCROSS25KKE2ELLOJLL66TK

not attested not anchored not stored refs pending

Analytic treatment of complete and incomplete geodesics in Taub-NUT space-times

Claus Laemmerzahl, Eva Hackmann, Jutta Kunz, Valeria Kagramanova

arxiv:1002.4342 v2 · 2010-02-23 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNUPCROSS25KKE2ELLOJLL66TK}

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	2026-05-18T04:27:57.078414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b68f145d296baa513445adc95afde9a9435c4e11338e538283eeb8d37b62cb6

Aliases

arxiv: 1002.4342 · arxiv_version: 1002.4342v2 · doi: 10.48550/arxiv.1002.4342 · pith_short_12: DNUPCROSS25K · pith_short_16: DNUPCROSS25KKE2E · pith_short_8: DNUPCROS

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/DNUPCROSS25KKE2ELLOJLL66TK \
  | 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: 1b68f145d296baa513445adc95afde9a9435c4e11338e538283eeb8d37b62cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ddfbb1392fb09ddbe05ef22f7637759f3913896a7547d1b58dbed1faf98d641",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-02-23T15:02:04Z",
    "title_canon_sha256": "e6bd9fd2ecd9df6c718b8f632eb7cce21fd988618f718700f0367a489acc4089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4342",
    "kind": "arxiv",
    "version": 2
  }
}