Pith Number

pith:TKWMS5HN

pith:1996:TKWMS5HNIDPKU64GWO2AM6YHOE

not attested not anchored not stored refs pending

Classical Spacetime from Quantum Gravity

Sang Pyo Kim

arxiv:gr-qc/9601049 v2 · 1996-01-31 · 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{TKWMS5HNIDPKU64GWO2AM6YHOE}

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	2026-07-04T16:01:08.685289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aacc974ed40deaa7b86b3b4067b077116c455c5314fd664f6d5ae2c24c1c97c

Aliases

arxiv: gr-qc/9601049 · arxiv_version: gr-qc/9601049v2 · doi: 10.48550/arxiv.gr-qc/9601049 · pith_short_12: TKWMS5HNIDPK · pith_short_16: TKWMS5HNIDPKU64G · pith_short_8: TKWMS5HN

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/TKWMS5HNIDPKU64GWO2AM6YHOE \
  | 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: 9aacc974ed40deaa7b86b3b4067b077116c455c5314fd664f6d5ae2c24c1c97c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57d6b5399a11a0820e7455672cac33a09755890b6f15342b31ce52e5885dc899",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-01-31T00:41:03Z",
    "title_canon_sha256": "3762f2f8bd20b6692897b6bd35753efa998349aa6598fb8465ba7bb59d2e8c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9601049",
    "kind": "arxiv",
    "version": 2
  }
}