Pith Number

pith:NDGODL3D

pith:2003:NDGODL3DVBTMHII2U3N35Y2QRX

not attested not anchored not stored refs pending

Cosmological constraints from the CMB and Ly-alpha forest revisited

Alexey Makarov, Patrick McDonald, Uros Seljak

arxiv:astro-ph/0302571 v4 · 2003-02-27 · 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{NDGODL3DVBTMHII2U3N35Y2QRX}

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

A trailing lognormal approximation of the Lyman-$\alpha$ forest: comparison with full hydrodynamic simulations at $2.2\leq z\leq 2.7$

Receipt and verification

First computed	2026-07-04T16:36:33.733002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68cce1af63a866c3a11aa6dbbee3508dfc06cba071127fbb2281a4643a8b64c8

Aliases

arxiv: astro-ph/0302571 · arxiv_version: astro-ph/0302571v4 · doi: 10.48550/arxiv.astro-ph/0302571 · pith_short_12: NDGODL3DVBTM · pith_short_16: NDGODL3DVBTMHII2 · pith_short_8: NDGODL3D

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/NDGODL3DVBTMHII2U3N35Y2QRX \
  | 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: 68cce1af63a866c3a11aa6dbbee3508dfc06cba071127fbb2281a4643a8b64c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c978e956f1922726f32d1146004a6ad15e3d07c145a8f54043adde6c2d0c2aae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-27T20:55:24Z",
    "title_canon_sha256": "b3164c6ecc3e35ed05986365c569d08e086f9991a53a50dbb53387344e6b6c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302571",
    "kind": "arxiv",
    "version": 4
  }
}