Pith Number

pith:XLNVTSL5

pith:2009:XLNVTSL5KIIRDNPRXSNHMJ5TJ6

not attested not anchored not stored refs pending

Survey of Planetary Nebulae at 30 GHz with OCRA-p

A.J. Kus, B.M. Pazderska, E. Pazderski, I.W.A. Browne, K. Lancaster, M. Birkinshaw, M. Peel, M.P. Gawronski, P.N. Wilkinson, R. Davis, R. Feiler, S.R. Lowe

arxiv:0902.3945 v1 · 2009-02-23 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLNVTSL5KIIRDNPRXSNHMJ5TJ6}

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	2026-05-18T02:14:46.263305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

badb59c97d521111b5f1bc9a7627b34fb685eeed3304474e8bc6bb8ef52f3fe4

Aliases

arxiv: 0902.3945 · arxiv_version: 0902.3945v1 · doi: 10.48550/arxiv.0902.3945 · pith_short_12: XLNVTSL5KIIR · pith_short_16: XLNVTSL5KIIRDNPR · pith_short_8: XLNVTSL5

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/XLNVTSL5KIIRDNPRXSNHMJ5TJ6 \
  | 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: badb59c97d521111b5f1bc9a7627b34fb685eeed3304474e8bc6bb8ef52f3fe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1af350ee33b8e49aada50a3ac10173aa252987cf5a1f5b01d2ccdce143e8fd68",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-23T16:37:05Z",
    "title_canon_sha256": "55767a4a7aed62948713cbfd3a2cb7bd9dd0f772aa65a834d519080758c1c316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3945",
    "kind": "arxiv",
    "version": 1
  }
}