Pith Number

pith:UU7FQACH

pith:2018:UU7FQACHXIIIM44T6TNSEAPWXT

not attested not anchored not stored refs pending

The z=0.54 LoBAL Quasar SDSS J085053.12+445122.5: II. The Nature of Partial Covering in the Broad-Absorption-Line Outflow

Adrian B. Lucy, Catie Raney, Donald M. Terndrup, Gordon T. Richards, Hyunseop Choi, Karen M. Leighly, Matthias Dietrich, Sarah C. Gallagher

arxiv:1811.04174 v3 · 2018-11-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UU7FQACHXIIIM44T6TNSEAPWXT}

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	2026-05-17T23:41:12.663732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a53e580047ba10867393f4db2201f6bce6f11c164c571c1a3eb24c1ebb89b6b8

Aliases

arxiv: 1811.04174 · arxiv_version: 1811.04174v3 · doi: 10.48550/arxiv.1811.04174 · pith_short_12: UU7FQACHXIII · pith_short_16: UU7FQACHXIIIM44T · pith_short_8: UU7FQACH

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/UU7FQACHXIIIM44T6TNSEAPWXT \
  | 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: a53e580047ba10867393f4db2201f6bce6f11c164c571c1a3eb24c1ebb89b6b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7540c9d847afc1a17d8bcd953fc52af00ac777ee811be3cb87dfffcb601294ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-10T02:14:37Z",
    "title_canon_sha256": "56be336d6554fd03fc2859f2a869047ac990d374a3145d2bda7d312130f5db54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04174",
    "kind": "arxiv",
    "version": 3
  }
}