Pith Number

pith:VRNQ4SQO

pith:2012:VRNQ4SQOKONOLO7UNEHRNKXAR6

not attested not anchored not stored refs pending

Optimal SKA Dish Configuration using Genetic Algorithms

Adam Gauci, Babak E. Cohanim, John Abela, Kristian Zarb Adami

arxiv:1201.0726 v1 · 2012-01-03 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRNQ4SQOKONOLO7UNEHRNKXAR6}

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	2026-05-18T04:05:16.877374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac5b0e4a0e539ae5bbf4690f16aae08f9f1e51a7e9ab086e51114256e7a06bbc

Aliases

arxiv: 1201.0726 · arxiv_version: 1201.0726v1 · doi: 10.48550/arxiv.1201.0726 · pith_short_12: VRNQ4SQOKONO · pith_short_16: VRNQ4SQOKONOLO7U · pith_short_8: VRNQ4SQO

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/VRNQ4SQOKONOLO7UNEHRNKXAR6 \
  | 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: ac5b0e4a0e539ae5bbf4690f16aae08f9f1e51a7e9ab086e51114256e7a06bbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "350882735901ac404e0ad749a02be3a257305a656abc9d8ee6ce9797262548a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-01-03T19:22:33Z",
    "title_canon_sha256": "3d0a2dbff971fcbe44bf61c2cf3970f3cdf9eb97837f78d049b86ebbdae2e298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0726",
    "kind": "arxiv",
    "version": 1
  }
}