Pith Number

pith:4ASQKZZF

pith:2004:4ASQKZZFX5X3LBDBQW7MFIDKKW

not attested not anchored not stored refs pending

Cosmokinetics

E. A. Baltz, K. Mandel & P. J. Marshall, M. Amin, R. D. Blandford

arxiv:astro-ph/0408279 v1 · 2004-08-16 · 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{4ASQKZZFX5X3LBDBQW7MFIDKKW}

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.

Cited by

1 paper in Pith

Reconstructing the cosmic expansion with a generalized q(z) parameterization: A decelerating Universe from late-time constraints

Receipt and verification

First computed	2026-07-04T14:13:42.336348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e025056725bf6fb5846185bec2a06a55a10869db121d5572d4bc3c8ae8feb030

Aliases

arxiv: astro-ph/0408279 · arxiv_version: astro-ph/0408279v1 · doi: 10.48550/arxiv.astro-ph/0408279 · pith_short_12: 4ASQKZZFX5X3 · pith_short_16: 4ASQKZZFX5X3LBDB · pith_short_8: 4ASQKZZF

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/4ASQKZZFX5X3LBDBQW7MFIDKKW \
  | 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: e025056725bf6fb5846185bec2a06a55a10869db121d5572d4bc3c8ae8feb030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68d17faa90f697674d87ca7f4f988364c4dc85abc258a36f7d0187762fc91026",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-16T03:56:58Z",
    "title_canon_sha256": "4fc2d13581e39d1a427426d06565636295eb8a77eb2062cb95b94ec59cfb8ee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408279",
    "kind": "arxiv",
    "version": 1
  }
}