Pith Number

pith:UO4SO6IZ

pith:1999:UO4SO6IZ4QAWV3TQIPDX52OMUN

not attested not anchored not stored refs pending

Constraining dark energy with SNe Ia and large-scale structure

Martin White (UIUC), Michael S. Turner (Chicago/FNAL), Saul Perlmutter (LBNL)

arxiv:astro-ph/9901052 v2 · 1999-01-05 · astro-ph · hep-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{UO4SO6IZ4QAWV3TQIPDX52OMUN}

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	2026-07-04T15:48:03.270423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b9277919e4016aee7043c77ee9cca34d52acbee3f219efaf56a2a8cd0ef7ad

Aliases

arxiv: astro-ph/9901052 · arxiv_version: astro-ph/9901052v2 · doi: 10.48550/arxiv.astro-ph/9901052 · pith_short_12: UO4SO6IZ4QAW · pith_short_16: UO4SO6IZ4QAWV3TQ · pith_short_8: UO4SO6IZ

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/UO4SO6IZ4QAWV3TQIPDX52OMUN \
  | 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: a3b9277919e4016aee7043c77ee9cca34d52acbee3f219efaf56a2a8cd0ef7ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "594412ba2c81e3ff8259476deab3bef369e2b8772de4d43b0977ac358481684a",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-05T23:56:24Z",
    "title_canon_sha256": "6d4ae7b28fda7384a48847cbd00930e1746be4d9a7e1f0b4b4b821fdba4ea1c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901052",
    "kind": "arxiv",
    "version": 2
  }
}