Pith Number

pith:CSI5PWJW

pith:1997:CSI5PWJWEASPBTUFQX7YATVDJU

not attested not anchored not stored refs pending

Probing the Universe with the Lyman-alpha Forest: I. Hydrodynamics of the Low Density IGM

Lam Hui, Nickolay Y. Gnedin

arxiv:astro-ph/9706219 v1 · 1997-06-20 · 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{CSI5PWJWEASPBTUFQX7YATVDJU}

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

3 papers in Pith

Lyman-$\alpha$ forest constraints on pure and mixed fuzzy dark matter

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-07-04T16:03:04.560172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1491d7d9362024f0ce8585ff804ea34d2e3e09a01b98b9785da64168a3b642fb

Aliases

arxiv: astro-ph/9706219 · arxiv_version: astro-ph/9706219v1 · doi: 10.48550/arxiv.astro-ph/9706219 · pith_short_12: CSI5PWJWEASP · pith_short_16: CSI5PWJWEASPBTUF · pith_short_8: CSI5PWJW

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/CSI5PWJWEASPBTUFQX7YATVDJU \
  | 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: 1491d7d9362024f0ce8585ff804ea34d2e3e09a01b98b9785da64168a3b642fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a7ca1ecc5da85d3f09a0ce335edf6a8b3ad55d37155694c3b9626c05fde173",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-06-20T20:37:34Z",
    "title_canon_sha256": "27afeed34cd55d85ad73cdfec0fa4885dd0e741f4f0db04cbe5919b99836ba5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9706219",
    "kind": "arxiv",
    "version": 1
  }
}