Pith Number

pith:NTQAZL35

pith:1994:NTQAZL35WALDN6VCT6OOECIKVE

not attested not anchored not stored refs pending

Canonical measure and the flatness of a FRW universe

D.H. Coule

arxiv:gr-qc/9408026 v1 · 1994-08-19 · 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{NTQAZL35WALDN6VCT6OOECIKVE}

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	2026-07-04T17:25:36.468799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ce00caf7db01636faa29f9ce2090aa929be9df7ebcd85711cf4fa7bdd86301b

Aliases

arxiv: gr-qc/9408026 · arxiv_version: gr-qc/9408026v1 · doi: 10.48550/arxiv.gr-qc/9408026 · pith_short_12: NTQAZL35WALD · pith_short_16: NTQAZL35WALDN6VC · pith_short_8: NTQAZL35

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/NTQAZL35WALDN6VCT6OOECIKVE \
  | 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: 6ce00caf7db01636faa29f9ce2090aa929be9df7ebcd85711cf4fa7bdd86301b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ced74b030567638d5059079a9ebe714bedac1a7a436a99514223b155ce8d93b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-08-19T16:19:55Z",
    "title_canon_sha256": "c26d50c9de57d9f03d72f13436a7ce8d96150238526b04a19f246db753e5fb93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9408026",
    "kind": "arxiv",
    "version": 1
  }
}