Pith Number

pith:RIXLJ7JT

pith:2012:RIXLJ7JTTSIKC3CKSI2H6TNUY4

not attested not anchored not stored refs pending

Variability in Quasar Broad Absorption Line Outflows III. What Happens on the Shortest Time-scales?

Daniel M. Capellupo, Fred Hamann, Joseph C. Shields, Jules P. Halpern, Tom A. Barlow

arxiv:1211.4868 v1 · 2012-11-20 · 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{RIXLJ7JTTSIKC3CKSI2H6TNUY4}

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	2026-05-18T01:53:02.273071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a2eb4fd339c90a16c4a92347f4db4c733e7b404543980b7108d92b9019073cc

Aliases

arxiv: 1211.4868 · arxiv_version: 1211.4868v1 · doi: 10.48550/arxiv.1211.4868 · pith_short_12: RIXLJ7JTTSIK · pith_short_16: RIXLJ7JTTSIKC3CK · pith_short_8: RIXLJ7JT

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/RIXLJ7JTTSIKC3CKSI2H6TNUY4 \
  | 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: 8a2eb4fd339c90a16c4a92347f4db4c733e7b404543980b7108d92b9019073cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8f186ef89b3f912a5116b6a563f3fa27dd7018c05876ff985567966d9342e4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-20T21:00:00Z",
    "title_canon_sha256": "ebe4782b0ce39d5dfc8b39b4af859906a899e1a07598ad16f1b6085c41d03dc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4868",
    "kind": "arxiv",
    "version": 1
  }
}