Pith Number

pith:USN3OUPX

pith:1995:USN3OUPXEBNK4VYV3YVMMAETWZ

not attested not anchored not stored refs pending

Quantum Probes of Spacetime Singularities

Donald Marolf, Gary T. Horowitz

arxiv:gr-qc/9504028 v3 · 1995-04-19 · 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{USN3OUPXEBNK4VYV3YVMMAETWZ}

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

Aspects of strings without spacetime supersymmetry

Receipt and verification

First computed	2026-07-04T15:58:48.563405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a49bb751f7205aae5715de2ac60093b6606f7f7c90046b147aaf5908b5176ee6

Aliases

arxiv: gr-qc/9504028 · arxiv_version: gr-qc/9504028v3 · doi: 10.48550/arxiv.gr-qc/9504028 · pith_short_12: USN3OUPXEBNK · pith_short_16: USN3OUPXEBNK4VYV · pith_short_8: USN3OUPX

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/USN3OUPXEBNK4VYV3YVMMAETWZ \
  | 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: a49bb751f7205aae5715de2ac60093b6606f7f7c90046b147aaf5908b5176ee6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6fa7e55bba224d59c3020cf22662bf91152d107afa48b28691cbb6a2fb5686f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-04-19T21:37:56Z",
    "title_canon_sha256": "fc8dae5d66454c223ce37d306f58f40b86fe23e1161e8ae812302948979e32ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9504028",
    "kind": "arxiv",
    "version": 3
  }
}