Pith Number

pith:YBW76WGX

pith:2006:YBW76WGXA63ZQJKUHJ5JVZHFEH

not attested not anchored not stored refs pending

X-ray Absorption in Type II Quasars: Implications for the Equatorial Paradigm of Broad Absorption Line Quasars

Brian Punsly

arxiv:astro-ph/0605027 v1 · 2006-05-01 · 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{YBW76WGXA63ZQJKUHJ5JVZHFEH}

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	2026-05-18T04:29:04.777929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c06dff58d707b79825543a7a9ae4e521e850f964ff9ea8abc07cee9781289c1b

Aliases

arxiv: astro-ph/0605027 · arxiv_version: astro-ph/0605027v1 · doi: 10.48550/arxiv.astro-ph/0605027 · pith_short_12: YBW76WGXA63Z · pith_short_16: YBW76WGXA63ZQJKU · pith_short_8: YBW76WGX

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/YBW76WGXA63ZQJKUHJ5JVZHFEH \
  | 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: c06dff58d707b79825543a7a9ae4e521e850f964ff9ea8abc07cee9781289c1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "004bdf3ba2cf565eaaf21659930d65fcc6820d18bb6534aa7d3b5f6487c0878b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-01T14:09:27Z",
    "title_canon_sha256": "0379c231348c77f4d063e93c6c6bad366690d55f4e640c434a8ce45ff991c2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605027",
    "kind": "arxiv",
    "version": 1
  }
}