Pith Number

pith:ITWXG34O

pith:2010:ITWXG34ORLBUWRLU6IUBUBJMGI

not attested not anchored not stored refs pending

Variability in Quasar Broad Absorption Line Outflows I. Trends in the Short-Term versus Long-Term Data

Daniel M. Capellupo, Fred Hamann, Joseph C. Shields, Paola Rodr\'iguez Hidalgo, Tom A. Barlow

arxiv:1012.2336 v1 · 2010-12-10 · 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{ITWXG34ORLBUWRLU6IUBUBJMGI}

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	2026-05-18T02:04:30.398300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44ed736f8e8ac34b4574f2281a052c322008c0cdd647e2e437f679dafeb3d2ae

Aliases

arxiv: 1012.2336 · arxiv_version: 1012.2336v1 · doi: 10.48550/arxiv.1012.2336 · pith_short_12: ITWXG34ORLBU · pith_short_16: ITWXG34ORLBUWRLU · pith_short_8: ITWXG34O

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/ITWXG34ORLBUWRLU6IUBUBJMGI \
  | 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: 44ed736f8e8ac34b4574f2281a052c322008c0cdd647e2e437f679dafeb3d2ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeeceee64c571549b4565c530daa8b68e7c30603a7209a3391b795fe7baed784",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-10T18:18:32Z",
    "title_canon_sha256": "b53b6c42bbe29fe11c789754276f78e5f649411c5af250f8094e3ff1a09aa3d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2336",
    "kind": "arxiv",
    "version": 1
  }
}