Pith Number

pith:Z76HYZSS

pith:2001:Z76HYZSS2QPFD62SRCZDMPA5ST

not attested not anchored not stored refs pending

The Statistical and Physical Properties of the Low Redshift Lyman Alpha Forest Observed with HST/STIS

Romeel Dav\'e (Arizona), Todd M. Tripp (Princeton)

arxiv:astro-ph/0101419 v2 · 2001-01-23 · 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{Z76HYZSS2QPFD62SRCZDMPA5ST}

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

2 papers in Pith

A Measurement of the Thermal and Ionization State of the IGM at $z < 0.5$

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

Receipt and verification

First computed	2026-07-04T16:22:36.875946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cffc7c6652d41e51fb5288b2363c1d94f912f82fd976e29a649bdc2ca901708e

Aliases

arxiv: astro-ph/0101419 · arxiv_version: astro-ph/0101419v2 · doi: 10.48550/arxiv.astro-ph/0101419 · pith_short_12: Z76HYZSS2QPF · pith_short_16: Z76HYZSS2QPFD62S · pith_short_8: Z76HYZSS

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/Z76HYZSS2QPFD62SRCZDMPA5ST \
  | 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: cffc7c6652d41e51fb5288b2363c1d94f912f82fd976e29a649bdc2ca901708e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d509c903aebdf2e18631245725a4be26990bd801d7e23cf3675eddbc11722a4a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-23T18:52:25Z",
    "title_canon_sha256": "8f1528fe10124d13f3b234a9401f338988575607c7c714affabf9e84e5b513e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101419",
    "kind": "arxiv",
    "version": 2
  }
}