Pith Number

pith:KI26WAQ3

pith:2010:KI26WAQ3W3H53V3SQZZEFXYLDF

not attested not anchored not stored refs pending

X-ray and optical properties of Broad Absorption Line Quasars in the Canada-France-Hawaii Telescope Legacy Survey

Bangalore), C. S. Stalin (IIA, Paris), P. Petitjean (IAP, Pune), R. Srianand (IUCAA

arxiv:1012.2425 v1 · 2010-12-11 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KI26WAQ3W3H53V3SQZZEFXYLDF}

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	2026-05-18T02:04:30.162520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5235eb021bb6cfddd772867242df0b1965cf10976ae6078b4079dda88851e061

Aliases

arxiv: 1012.2425 · arxiv_version: 1012.2425v1 · doi: 10.48550/arxiv.1012.2425 · pith_short_12: KI26WAQ3W3H5 · pith_short_16: KI26WAQ3W3H53V3S · pith_short_8: KI26WAQ3

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/KI26WAQ3W3H53V3SQZZEFXYLDF \
  | 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: 5235eb021bb6cfddd772867242df0b1965cf10976ae6078b4079dda88851e061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "741d07d06901d4f8d86829e39dd587fe1f909d99ca0f7ea82dd8b33e1997b2ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-11T03:37:48Z",
    "title_canon_sha256": "d0c3eb1c945c0fefb797fb9cf918561e76f2fef90ae3dd13e2bb71f2bdb811dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2425",
    "kind": "arxiv",
    "version": 1
  }
}