Pith Number

pith:KA35EN5M

pith:2006:KA35EN5MPVVCWZ3I6D3LXV6FY6

not attested not anchored not stored refs pending

QSO Absorption Lines from QSOs

Brice Menard, Daniel E. Vanden Berk, David V. Bowen, Donald G. York, Doron Chelouche, Gordon T. Richards, Joseph F. Hennawi, Masamune Oguri, Michael A. Strauss, Naohisa Inada

arxiv:astro-ph/0605730 v1 · 2006-05-30 · 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{KA35EN5MPVVCWZ3I6D3LXV6FY6}

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	2026-05-18T02:40:25.294607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5037d237ac7d6a2b6768f0f6bbd7c5c79e5d740e18c408a9a32b26d244d578fe

Aliases

arxiv: astro-ph/0605730 · arxiv_version: astro-ph/0605730v1 · doi: 10.48550/arxiv.astro-ph/0605730 · pith_short_12: KA35EN5MPVVC · pith_short_16: KA35EN5MPVVCWZ3I · pith_short_8: KA35EN5M

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/KA35EN5MPVVCWZ3I6D3LXV6FY6 \
  | 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: 5037d237ac7d6a2b6768f0f6bbd7c5c79e5d740e18c408a9a32b26d244d578fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd931f6f9dde75f4093702231807bead57ae106a1c291263025a33b1388fdcfd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-30T21:00:46Z",
    "title_canon_sha256": "3d8810cad15899d92ecf7c7a8a68fb5bd399cc13226ebaa7c7ad34a3a11c437f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605730",
    "kind": "arxiv",
    "version": 1
  }
}