Pith Number

pith:6N6KVY2O

pith:2003:6N6KVY2OSU5TGSJYRJIIUO3RSU

not attested not anchored not stored refs pending

SUMSS: A Wide-Field Radio Imaging Survey of the Southern Sky. II. The Source Catalogue

(2) University of Cambridge), B. Piestrzynski (1), E.M. Sadler (1) ((1) University of Sydney, H.J. Buttery (2), J. Curran (1), J.G. Robertson (1), R.W. Hunstead (1), T. Mauch (1), T. Murphy (1)

arxiv:astro-ph/0303188 v1 · 2003-03-10 · 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{6N6KVY2OSU5TGSJYRJIIUO3RSU}

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	2026-05-18T04:23:00.982173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f37caae34e953b3349388a508a3b719507eae36afc4c307180dd61ca96fa5536

Aliases

arxiv: astro-ph/0303188 · arxiv_version: astro-ph/0303188v1 · doi: 10.48550/arxiv.astro-ph/0303188 · pith_short_12: 6N6KVY2OSU5T · pith_short_16: 6N6KVY2OSU5TGSJY · pith_short_8: 6N6KVY2O

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/6N6KVY2OSU5TGSJYRJIIUO3RSU \
  | 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: f37caae34e953b3349388a508a3b719507eae36afc4c307180dd61ca96fa5536

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0691eb959f6278ff4e722413641836e8ba564291b3ffb072ddf36256212a7af",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-10T06:28:18Z",
    "title_canon_sha256": "e783d6dcc5780eb638bb48562702855a29a8df74d0f658a14b37250a6a522dc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303188",
    "kind": "arxiv",
    "version": 1
  }
}