Pith Number

pith:KWXTCO6J

pith:1999:KWXTCO6JCNAO74IBPA4OEAYBWL

not attested not anchored not stored refs pending

Giant Arc Statistics and Cosmological Parameters

N. Straumann, R. Kaufmann

arxiv:astro-ph/9911037 v1 · 1999-11-03 · astro-ph · 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{KWXTCO6JCNAO74IBPA4OEAYBWL}

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	2026-05-18T00:33:44.695545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55af313bc91340eff1017838e20301b2c55e337116805d4d8fb94778b9c26480

Aliases

arxiv: astro-ph/9911037 · arxiv_version: astro-ph/9911037v1 · doi: 10.48550/arxiv.astro-ph/9911037 · pith_short_12: KWXTCO6JCNAO · pith_short_16: KWXTCO6JCNAO74IB · pith_short_8: KWXTCO6J

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/KWXTCO6JCNAO74IBPA4OEAYBWL \
  | 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: 55af313bc91340eff1017838e20301b2c55e337116805d4d8fb94778b9c26480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "917eeea666da7d55e504dc2535a8d0d8eac7c6db179600d567c99a04b080b80b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-03T13:48:49Z",
    "title_canon_sha256": "c1a15f35431dd4af13849bd6ce3ee47f3408fabe5ad465c7ef323c3f4b231e0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911037",
    "kind": "arxiv",
    "version": 1
  }
}