Pith Number

pith:TOPMQW3M

pith:2004:TOPMQW3MVJNXLF7ML6KJOLUW73

not attested not anchored not stored refs pending

Precision Cosmology

Joel R. Primack (UCSC)

arxiv:astro-ph/0408359 v1 · 2004-08-19 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOPMQW3MVJNXLF7ML6KJOLUW73}

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	2026-05-18T04:14:55.434168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b9ec85b6caa5b7597ec5f94972e96feda3c013fb305307015c681f829893104

Aliases

arxiv: astro-ph/0408359 · arxiv_version: astro-ph/0408359v1 · doi: 10.48550/arxiv.astro-ph/0408359 · pith_short_12: TOPMQW3MVJNX · pith_short_16: TOPMQW3MVJNXLF7M · pith_short_8: TOPMQW3M

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/TOPMQW3MVJNXLF7ML6KJOLUW73 \
  | 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: 9b9ec85b6caa5b7597ec5f94972e96feda3c013fb305307015c681f829893104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d1172cfc26d1aefa12bc03739539d2974c0b7aa47c17c525ad4429185976018",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-19T18:33:46Z",
    "title_canon_sha256": "5af0c403fa4f0cb07b2421121c2f5277e9a8a30a5c00e9e0249c2b2177d91ea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408359",
    "kind": "arxiv",
    "version": 1
  }
}