Pith Number

pith:KO7KJCBE

pith:1993:KO7KJCBEQMAPLG5GVO5QQHXVVD

not attested not anchored not stored refs pending

Topological Censorship

Donald M. Witt, John L. Friedman, Kristin Schleich

arxiv:gr-qc/9305017 v2 · 1993-05-23 · 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{KO7KJCBEQMAPLG5GVO5QQHXVVD}

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

9 papers in Pith

Stationary generalizations for the vacuum ring wormhole

The energy conditions and model selection in the local Universe

Charged multi-sheet wormhole solutions

Affine ANEC selects the closed FRW branch for geodesically complete cosmology

Modave lectures on energy conditions in quantum field theory and semi-classical gravity

Receipt and verification

First computed	2026-07-04T15:55:38.501806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53bea488248300f59ba6abbb081ef5a8c69566cf10bf97b16b18ba1ecb6e932e

Aliases

arxiv: gr-qc/9305017 · arxiv_version: gr-qc/9305017v2 · doi: 10.48550/arxiv.gr-qc/9305017 · pith_short_12: KO7KJCBEQMAP · pith_short_16: KO7KJCBEQMAPLG5G · pith_short_8: KO7KJCBE

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/KO7KJCBEQMAPLG5GVO5QQHXVVD \
  | 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: 53bea488248300f59ba6abbb081ef5a8c69566cf10bf97b16b18ba1ecb6e932e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d233d327cccaa9bbff7b7d542dce151a80d4c6509f527ebdb268d4058edcadec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-05-23T21:09:00Z",
    "title_canon_sha256": "2e3af22959bea3df4c5ac151cd1834e80bd7ac5ac535ac45db16cba84fba47d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9305017",
    "kind": "arxiv",
    "version": 2
  }
}