Pith Number

pith:3OZJTQBU

pith:2000:3OZJTQBUER27VGNH34HD3YRQCV

not attested not anchored not stored refs pending

Gravitational instantons and internal dimensions

E. J. Copeland, J. A. Gray, P. M. Saffin

arxiv:hep-th/0003244 v1 · 2000-03-27 · hep-th · astro-ph · gr-qc · 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{3OZJTQBUER27VGNH34HD3YRQCV}

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	2026-07-04T16:20:42.722079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbb299c0342475fa99a7df0e3de2301548dff5e216da592986c6f7925921eec2

Aliases

arxiv: hep-th/0003244 · arxiv_version: hep-th/0003244v1 · doi: 10.48550/arxiv.hep-th/0003244 · pith_short_12: 3OZJTQBUER27 · pith_short_16: 3OZJTQBUER27VGNH · pith_short_8: 3OZJTQBU

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/3OZJTQBUER27VGNH34HD3YRQCV \
  | 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: dbb299c0342475fa99a7df0e3de2301548dff5e216da592986c6f7925921eec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "639abc3388c34d710c33a9b7f15ec669f24e54039bbc844e95ae558b07a5910b",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2000-03-27T14:55:02Z",
    "title_canon_sha256": "00f502ee37911599cc9f74867546db293103684645aa052e0b3ac5ef46bcfab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0003244",
    "kind": "arxiv",
    "version": 1
  }
}