Pith Number

pith:BVOXEWG2

pith:2014:BVOXEWG2WH4FVQT6IR5HFUH3NO

not attested not anchored not stored refs pending

Unshifted Metastable He I* Mini-Broad Absorption Line System in the Narrow Line Type 1 Quasar SDSS J080248.18$+$551328.9

Chenwei Yang, Fred Hamann, Honglin Lu, Hongyan Zhou, Huiyuan Wang, Jens Zuther, Jian Ge, Peng Jiang, S. Komossa, Tinggui Wang, Tuo Ji, Weimin Yuan, Wenjuan Liu, Wenwen Zuo

arxiv:1412.2881 v1 · 2014-12-09 · 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{BVOXEWG2WH4FVQT6IR5HFUH3NO}

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	2026-05-18T01:41:20.539221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d5d7258dab1f85ac27e447a72d0fb6b828959fb79c89cba551958a09b7aa700

Aliases

arxiv: 1412.2881 · arxiv_version: 1412.2881v1 · doi: 10.48550/arxiv.1412.2881 · pith_short_12: BVOXEWG2WH4F · pith_short_16: BVOXEWG2WH4FVQT6 · pith_short_8: BVOXEWG2

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/BVOXEWG2WH4FVQT6IR5HFUH3NO \
  | 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: 0d5d7258dab1f85ac27e447a72d0fb6b828959fb79c89cba551958a09b7aa700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead82aeb6c8d770a6f7e2888fa7efa84c312bff7959261c074a4e6fd7459c900",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-09T08:06:08Z",
    "title_canon_sha256": "2ad3c731c0a00ce8380a41489799c99dedb444639e0f483482261562e240044b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2881",
    "kind": "arxiv",
    "version": 1
  }
}