Pith Number

pith:BK2F5VNH

pith:2012:BK2F5VNHQNSJ7LOXHQZN4M3CED

not attested not anchored not stored refs pending

Distribution of the heavy elements throughout the extended narrow line region of the Seyfert galaxy NGC 7212

G. La Mura, M. Contini, S. Ciroi, V. Cracco

arxiv:1207.1562 v1 · 2012-07-06 · astro-ph.CO · 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{BK2F5VNHQNSJ7LOXHQZN4M3CED}

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	2026-05-18T01:56:33.879368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ab45ed5a783649fadd73c32de336220df6c864d9a708e0bb6d471187f18abba

Aliases

arxiv: 1207.1562 · arxiv_version: 1207.1562v1 · doi: 10.48550/arxiv.1207.1562 · pith_short_12: BK2F5VNHQNSJ · pith_short_16: BK2F5VNHQNSJ7LOX · pith_short_8: BK2F5VNH

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/BK2F5VNHQNSJ7LOXHQZN4M3CED \
  | 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: 0ab45ed5a783649fadd73c32de336220df6c864d9a708e0bb6d471187f18abba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e07308a155728a63f3a9a44077e924cbf5d614671210e9724604af59825a1ed",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-06T09:11:26Z",
    "title_canon_sha256": "d3d604e6c8a1d52b9458b5f5c6183be7390e5319d83bf3e2ddd2a19311a0e3bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1562",
    "kind": "arxiv",
    "version": 1
  }
}