Pith Number

pith:Q2AUP2ZV

pith:1997:Q2AUP2ZV64GNEMMJNEFU3Q27Y6

not attested not anchored not stored refs pending

Topology and Fragility in Cosmology

A.F.F. Teixeira, M.J. Reboucas, R.K. Tavakol

arxiv:gr-qc/9711026 v1 · 1997-11-06 · gr-qc · astro-ph · hep-ph · 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{Q2AUP2ZV64GNEMMJNEFU3Q27Y6}

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	2026-05-18T01:39:18.792298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868147eb35f70cd23189690b4dc35fc783d776f4b181e93bae2bc0a77ae826e9

Aliases

arxiv: gr-qc/9711026 · arxiv_version: gr-qc/9711026v1 · doi: 10.48550/arxiv.gr-qc/9711026 · pith_short_12: Q2AUP2ZV64GN · pith_short_16: Q2AUP2ZV64GNEMMJ · pith_short_8: Q2AUP2ZV

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/Q2AUP2ZV64GNEMMJNEFU3Q27Y6 \
  | 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: 868147eb35f70cd23189690b4dc35fc783d776f4b181e93bae2bc0a77ae826e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a037084e5240fb77bcd3dc0364eec269112c254b9c5395f1ce6b138792ea06",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-11-06T23:34:23Z",
    "title_canon_sha256": "ae985e630084c106fb9c42eb7f26ec469de0c1f7f935d9791bb93e4a0c575fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9711026",
    "kind": "arxiv",
    "version": 1
  }
}