Pith Number

pith:Z67PAKZ2

pith:1997:Z67PAKZ2DL6WPSS2YI67OATVD4

not attested not anchored not stored refs pending

Topology Change and Causal Continuity

Fay Dowker (Imperial Coll., London), Pune), Sumati Surya (I.U.C.A.A.

arxiv:gr-qc/9711070 v2 · 1997-11-23 · 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{Z67PAKZ2DL6WPSS2YI67OATVD4}

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.

Cited by

1 paper in Pith

Morse-Bott inequalities, Topology Change and Cobordisms to Nothing

Receipt and verification

First computed	2026-05-18T01:08:07.754081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfbef02b3a1afd67ca5ac23df702751f2be9b1ae0b0d444c22fd72a5e2e2e8c8

Aliases

arxiv: gr-qc/9711070 · arxiv_version: gr-qc/9711070v2 · doi: 10.48550/arxiv.gr-qc/9711070 · pith_short_12: Z67PAKZ2DL6W · pith_short_16: Z67PAKZ2DL6WPSS2 · pith_short_8: Z67PAKZ2

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/Z67PAKZ2DL6WPSS2YI67OATVD4 \
  | 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: cfbef02b3a1afd67ca5ac23df702751f2be9b1ae0b0d444c22fd72a5e2e2e8c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6dfdedce63812e5260814e58b92f2467cd444720f1fe2274fd222eae8f8802b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-11-23T13:07:12Z",
    "title_canon_sha256": "2df8eb792c88fdcf701e777482b10ca8330858cf766e9153f4dde550d1562a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9711070",
    "kind": "arxiv",
    "version": 2
  }
}