Pith Number

pith:LPAMZ226

pith:2005:LPAMZ226WCYEOWW3FHSPA3KHGS

not attested not anchored not stored refs pending

A new sample of broad-absorption-line quasars exhibiting the ghost of lyman alpha

C. Knigge (2), M. Goad (3) ((1) University College London (2) University of Southampton (3) University of Leicester), M. North (1)

arxiv:astro-ph/0511133 v1 · 2005-11-04 · 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{LPAMZ226WCYEOWW3FHSPA3KHGS}

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	2026-05-18T03:51:49.035664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bc0cceb5eb0b0475adb29e4f06d4734b8c30c925f34964ce8d33ff9605a368e

Aliases

arxiv: astro-ph/0511133 · arxiv_version: astro-ph/0511133v1 · doi: 10.48550/arxiv.astro-ph/0511133 · pith_short_12: LPAMZ226WCYE · pith_short_16: LPAMZ226WCYEOWW3 · pith_short_8: LPAMZ226

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/LPAMZ226WCYEOWW3FHSPA3KHGS \
  | 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: 5bc0cceb5eb0b0475adb29e4f06d4734b8c30c925f34964ce8d33ff9605a368e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39a85cef2596ff45fcb3a78516d7c272b92ec8bbb10e6df1b4a07d8565a21b3d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-04T17:51:24Z",
    "title_canon_sha256": "98d953666ca1b8eac336a7407a70336c3e71791dd2891e034fa4845b2a331436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511133",
    "kind": "arxiv",
    "version": 1
  }
}