Pith Number

pith:ZLSI2KKK

pith:2003:ZLSI2KKKUYPNLWUSTYJQ45NY27

not attested not anchored not stored refs pending

The effect of (strong) discrete absorption systems on the lyman alpha forest flux power spectrum

Cambridge), M.G. Haehnelt, M. Viel, R.F. Carswell, T.-S. Kim (Institute of Astronomy

arxiv:astro-ph/0308078 v1 · 2003-08-06 · 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{ZLSI2KKKUYPNLWUSTYJQ45NY27}

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	2026-07-04T16:51:25.246341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cae48d294aa61ed5da929e130e75b8d7d367ba266fb00a7147dfd3ea013b2695

Aliases

arxiv: astro-ph/0308078 · arxiv_version: astro-ph/0308078v1 · doi: 10.48550/arxiv.astro-ph/0308078 · pith_short_12: ZLSI2KKKUYPN · pith_short_16: ZLSI2KKKUYPNLWUS · pith_short_8: ZLSI2KKK

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/ZLSI2KKKUYPNLWUSTYJQ45NY27 \
  | 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: cae48d294aa61ed5da929e130e75b8d7d367ba266fb00a7147dfd3ea013b2695

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3abed46c7cf47a0d83ab95a7f3d72329ec991df939cceb0fabe40b8218f57c4f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-06T13:14:06Z",
    "title_canon_sha256": "413337551e5a2277a06142fdbe84c3616b656e8a70d1e389b8d84a605158b3ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308078",
    "kind": "arxiv",
    "version": 1
  }
}