Pith Number

pith:VA7DYOXP

pith:2003:VA7DYOXP4ICMB2RDJUKW7UQWEU

not attested not anchored not stored refs pending

VLBI Imaging of Luminous Infrared Galaxies: AGN Cores in Mrk231, UGC 5101 & NGC 7469

Carol J. Lonsdale (IPAC/Caltech), Colin J. Lonsdale (Haystack Obs/MIT), Harding E. Smith (CASS/UCSD), Philip J. Diamond (Jodrell Bank)

arxiv:astro-ph/0304335 v1 · 2003-04-17 · 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{VA7DYOXP4ICMB2RDJUKW7UQWEU}

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.

Cited by

1 paper in Pith

The PARADIGM Project II: Characterising Nuclear and Diffuse Radio Components in Local U/LIRGs

Receipt and verification

First computed	2026-07-04T16:36:53.259996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a83e3c3aefe204c0ea234d156fd216250740271617b1fedf064fb08f6bac4222

Aliases

arxiv: astro-ph/0304335 · arxiv_version: astro-ph/0304335v1 · doi: 10.48550/arxiv.astro-ph/0304335 · pith_short_12: VA7DYOXP4ICM · pith_short_16: VA7DYOXP4ICMB2RD · pith_short_8: VA7DYOXP

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/VA7DYOXP4ICMB2RDJUKW7UQWEU \
  | 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: a83e3c3aefe204c0ea234d156fd216250740271617b1fedf064fb08f6bac4222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "548a79d2598539c689dbe51d9ccc366ca09cf51ac3710bd66caddc66b9d7a0e5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-17T21:13:07Z",
    "title_canon_sha256": "c4ffb94f0887c98ae525d20b60ca237bdba49bd6ab142f67e2be434ddc0cd389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304335",
    "kind": "arxiv",
    "version": 1
  }
}