Pith Number

pith:ZFCKORPO

pith:2009:ZFCKORPOK6FGNKMK657UHBBB74

not attested not anchored not stored refs pending

Dust emission from a parsec-scale structure in the Seyfert 1 nucleus of NGC 4151

David Raban, Huub R\"ottgering, Klaus Meisenheimer, Konrad R. W. Tristram, Leonard Burtscher, Walter Jaffe

arxiv:0909.5191 v1 · 2009-09-29 · 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{ZFCKORPOK6FGNKMK657UHBBB74}

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	2026-05-18T02:34:27.334914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c944a745ee578a66a98af77f438421ff3cc85c76ecd527a5e1985993c8546c4d

Aliases

arxiv: 0909.5191 · arxiv_version: 0909.5191v1 · doi: 10.48550/arxiv.0909.5191 · pith_short_12: ZFCKORPOK6FG · pith_short_16: ZFCKORPOK6FGNKMK · pith_short_8: ZFCKORPO

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/ZFCKORPOK6FGNKMK657UHBBB74 \
  | 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: c944a745ee578a66a98af77f438421ff3cc85c76ecd527a5e1985993c8546c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc283a6551e683af3d2c5ff4377216bcc95f9cad921378c9b9a2e433b445091",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-29T14:29:51Z",
    "title_canon_sha256": "992609f03f40a919ef4140e6bd2c416450c5f69bb00328ae313af613dd0997fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5191",
    "kind": "arxiv",
    "version": 1
  }
}