Pith Number

pith:QICO5Q5O

pith:1995:QICO5Q5OSKL5HW763FU5A5MNL2

not attested not anchored not stored refs pending

A semiclassical interpretation of the topological solutions for canonical quantum gravity

Kiyoshi Ezawa

arxiv:gr-qc/9512017 v1 · 1995-12-08 · 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{QICO5Q5OSKL5HW763FU5A5MNL2}

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	2026-05-18T04:13:47.845020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8204eec3ae9297d3dbfed969d0758d5e82f0e1c1c31422d0510a4570f8b88b71

Aliases

arxiv: gr-qc/9512017 · arxiv_version: gr-qc/9512017v1 · doi: 10.48550/arxiv.gr-qc/9512017 · pith_short_12: QICO5Q5OSKL5 · pith_short_16: QICO5Q5OSKL5HW76 · pith_short_8: QICO5Q5O

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/QICO5Q5OSKL5HW763FU5A5MNL2 \
  | 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: 8204eec3ae9297d3dbfed969d0758d5e82f0e1c1c31422d0510a4570f8b88b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d2cc5b1b2fd040f5b90bf3d1635e19ef2f9610af1fbbc420c1ee198cb858950",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-12-08T11:04:23Z",
    "title_canon_sha256": "239c16125f32131f48b524989593157d449c06b14a906b71c94a9b00dde8519a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9512017",
    "kind": "arxiv",
    "version": 1
  }
}