Pith Number

pith:G7XRUK6D

pith:2000:G7XRUK6DTWMREAOJK5OGOU6JOF

not attested not anchored not stored refs pending

The ATESP Radio Survey II. The Source Catalogue

G. Vettolani, H.R. de Ruiter, I. Prandoni, L. Gregorini, M.H. Wieringa, P. Parma, R.D. Ekers

arxiv:astro-ph/0007398 v2 · 2000-07-26 · 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{G7XRUK6DTWMREAOJK5OGOU6JOF}

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	2026-07-04T16:16:57.443080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37ef1a2bc39d991201c9575c6753c9717de806eb43e130f873c3cd68601d1dd6

Aliases

arxiv: astro-ph/0007398 · arxiv_version: astro-ph/0007398v2 · doi: 10.48550/arxiv.astro-ph/0007398 · pith_short_12: G7XRUK6DTWMR · pith_short_16: G7XRUK6DTWMREAOJ · pith_short_8: G7XRUK6D

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/G7XRUK6DTWMREAOJK5OGOU6JOF \
  | 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: 37ef1a2bc39d991201c9575c6753c9717de806eb43e130f873c3cd68601d1dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0efe704b1c342925b0aeb6731bc512364f00d7609c2c7683fd2d73cae113ed92",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-26T17:19:08Z",
    "title_canon_sha256": "9116110fe3fc488dfae2851c98fb6739a67a64007684ba6db94a53b0aced2853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007398",
    "kind": "arxiv",
    "version": 2
  }
}