Pith Number

pith:PXPRVUCI

pith:2010:PXPRVUCISK62PEK6HPBZGYDXJA

not attested not anchored not stored refs pending

The Intrinsic Fractions and Radio Properties of Low Ionization Broad Absorption Line Quasars

(2) MPA, (3) U. of Virginia), Francesco Shankar (2), Gregory R. Sivakoff (3) ((1) U. of Oklahoma, Xinyu Dai (1)

arxiv:1004.0700 v2 · 2010-04-05 · 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{PXPRVUCISK62PEK6HPBZGYDXJA}

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	2026-05-18T02:08:14.315287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ddf1ad04892bda7915e3bc39360774817d323bf9f609b204e2cfc5a4598c3f3

Aliases

arxiv: 1004.0700 · arxiv_version: 1004.0700v2 · doi: 10.48550/arxiv.1004.0700 · pith_short_12: PXPRVUCISK62 · pith_short_16: PXPRVUCISK62PEK6 · pith_short_8: PXPRVUCI

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/PXPRVUCISK62PEK6HPBZGYDXJA \
  | 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: 7ddf1ad04892bda7915e3bc39360774817d323bf9f609b204e2cfc5a4598c3f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a856017ae93f85eae357c0392636e87f463a53aa4cec34e76161483d4182f2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-05T20:01:30Z",
    "title_canon_sha256": "766634fddd8a528e4b981685a868b3b40c40273942db8a3dcdc32166222a4d9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0700",
    "kind": "arxiv",
    "version": 2
  }
}