Pith Number

pith:WBRV3ZB3

pith:2014:WBRV3ZB3LENFVLJ25IU4N2PNJ2

not attested not anchored not stored refs pending

ASERA: A Spectrum Eye Recognition Assistant for Quasar Spectra

Hailong Yuan, Haotong Zhang, Yajuan Lei, Yanxia Zhang, Yiqiao Dong, Yongheng Zhao

arxiv:1404.6018 v1 · 2014-04-24 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBRV3ZB3LENFVLJ25IU4N2PNJ2}

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	2026-05-18T02:53:18.648396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0635de43b591a5aad3aea29c6e9ed4e8f7e4767622c0c69f1d9878d76eb8623

Aliases

arxiv: 1404.6018 · arxiv_version: 1404.6018v1 · doi: 10.48550/arxiv.1404.6018 · pith_short_12: WBRV3ZB3LENF · pith_short_16: WBRV3ZB3LENFVLJ2 · pith_short_8: WBRV3ZB3

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/WBRV3ZB3LENFVLJ25IU4N2PNJ2 \
  | 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: b0635de43b591a5aad3aea29c6e9ed4e8f7e4767622c0c69f1d9878d76eb8623

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e49a84c24ae295d266e4e1d28f6e7fb03d1dad23d498424e1c0537dfa967c77c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-04-24T03:43:16Z",
    "title_canon_sha256": "9f720a8d9bfe1427811f6a17fd1f09ef50fb89eb913bea7c41137b37ab53b85d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6018",
    "kind": "arxiv",
    "version": 1
  }
}