Pith Number

pith:FZQWZGCL

pith:2004:FZQWZGCL6RSQO3PNLRNCTPBPGL

not attested not anchored not stored refs pending

The two sided parsec scale structure of the Low Luminosity Active Galactic Nucleus in NGC 4278

2), 2) ((1) Univ. of Bologna, (2) IRA, (3) Nrao, 4), (4) KIPAC), G. B. Taylor (3, G. Giovannini (1, M. Giroletti (1

arxiv:astro-ph/0412204 v1 · 2004-12-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZQWZGCL6RSQO3PNLRNCTPBPGL}

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	2026-05-18T01:40:34.748545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e616c984bf465076ded5c5a29bc2f32e7d804526e6b3306f905351b7c9cfcba

Aliases

arxiv: astro-ph/0412204 · arxiv_version: astro-ph/0412204v1 · doi: 10.48550/arxiv.astro-ph/0412204 · pith_short_12: FZQWZGCL6RSQ · pith_short_16: FZQWZGCL6RSQO3PN · pith_short_8: FZQWZGCL

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/FZQWZGCL6RSQO3PNLRNCTPBPGL \
  | 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: 2e616c984bf465076ded5c5a29bc2f32e7d804526e6b3306f905351b7c9cfcba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1042e51093e0265579f4d2d2a73cde0115925382a70fb9bcacd50dfde474b15e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-09T10:00:28Z",
    "title_canon_sha256": "d4b7eb25490f5dc05ec6ffb78ba36a357378f1fffe6ac6645524852411604af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412204",
    "kind": "arxiv",
    "version": 1
  }
}