Pith Number

pith:C3ASDL4O

pith:2013:C3ASDL4OME2WVDVKVZURFLHADK

not attested not anchored not stored refs pending

The average absorption properties of broad absorption line quasars at 800 < lambda_rest < 3000 {\AA}, and the underlying physical parameters

Alexei Baskin, Ari Laor, Fred Hamann

arxiv:1304.0986 v1 · 2013-04-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3ASDL4OME2WVDVKVZURFLHADK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:06:22.115286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c121af8e61356a8eaaae6912ace01a9c68ae801bbbc05dd732f30ba62fcca6

Aliases

arxiv: 1304.0986 · arxiv_version: 1304.0986v1 · doi: 10.48550/arxiv.1304.0986 · pith_short_12: C3ASDL4OME2W · pith_short_16: C3ASDL4OME2WVDVK · pith_short_8: C3ASDL4O

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/C3ASDL4OME2WVDVKVZURFLHADK \
  | 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: 16c121af8e61356a8eaaae6912ace01a9c68ae801bbbc05dd732f30ba62fcca6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff70534d105563dd1625900794a2b7b0c718370bc963621c8d5f83ed72bf6b6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-03T15:30:22Z",
    "title_canon_sha256": "362dad805fb26283c6b9895945ceb1b3c332619b7913f329086a9b88759f6bd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0986",
    "kind": "arxiv",
    "version": 1
  }
}