pith. sign in
Pith Number

pith:WODBQCCB

pith:2007:WODBQCCB4FFLYXZ42Y6X6MBKVM
not attested not anchored not stored refs pending

CO Observations of a FeLoBAL Quasar with an H alpha Absorption Line at z=2.3

Gaku Kiuchi, Ikuru Iwata, Kentaro Aoki, Kouichiro Nakanishi, Kouji Ohta, Masataka Ando, Masayuki Akiyama, Naoyuki Tamura

arxiv:astro-ph/0702386 v1 · 2007-02-14 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WODBQCCB4FFLYXZ42Y6X6MBKVM}

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 2026-05-18T01:40:26.966469Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b386180841e14abc5f3cd63d7f302aab1621d6435d65bee122c0d0ab2dda487f

Aliases

arxiv: astro-ph/0702386 · arxiv_version: astro-ph/0702386v1 · doi: 10.48550/arxiv.astro-ph/0702386 · pith_short_12: WODBQCCB4FFL · pith_short_16: WODBQCCB4FFLYXZ4 · pith_short_8: WODBQCCB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WODBQCCB4FFLYXZ42Y6X6MBKVM \
  | 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: b386180841e14abc5f3cd63d7f302aab1621d6435d65bee122c0d0ab2dda487f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "733c48d8e1d71bc1f0a70a73e42dbcb55a965d531e3ec3e4beb1a4c92f9ec891",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-14T16:13:01Z",
    "title_canon_sha256": "6b448d12137dd9ca519a11b4a0b59e5430cf818f21f15f8faf9045f4724a4d6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702386",
    "kind": "arxiv",
    "version": 1
  }
}