Pith Number

pith:34FLNXN2

pith:2013:34FLNXN2WVVUNQEBCF6V5GWABL

not attested not anchored not stored refs pending

The extended narrow-line region of two type-I quasi-stellar objects

Bruno Jungwiert, Christian Leipski, Jong-Hak Woo, Marcus Albrecht, Martin Haas, Semyeong Oh, Vardha N. Bennert

arxiv:1303.6212 v1 · 2013-03-25 · 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{34FLNXN2WVVUNQEBCF6V5GWABL}

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	2026-05-18T01:50:53.163709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df0ab6ddbab56b46c081117d5e9ac00ac98ff9739cc3a78c8d718fbcffb0ba67

Aliases

arxiv: 1303.6212 · arxiv_version: 1303.6212v1 · doi: 10.48550/arxiv.1303.6212 · pith_short_12: 34FLNXN2WVVU · pith_short_16: 34FLNXN2WVVUNQEB · pith_short_8: 34FLNXN2

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/34FLNXN2WVVUNQEBCF6V5GWABL \
  | 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: df0ab6ddbab56b46c081117d5e9ac00ac98ff9739cc3a78c8d718fbcffb0ba67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eab37bc388e46e85a7ccadbb36982dd0ddd75c19f1c97f3dd41b0462b5eb42c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-25T17:06:40Z",
    "title_canon_sha256": "62d70526477352a0a20acaf01d4393a4376cd052bc4c2a593a49cc52ec630bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6212",
    "kind": "arxiv",
    "version": 1
  }
}