Pith Number

pith:3K3Z6ZHR

pith:2013:3K3Z6ZHRULSWAMTPQRFOI62P4R

not attested not anchored not stored refs pending

Sample variance, source clustering and their influence on the counts of faint radio sources

Ian Heywood, James J. Condon, Matt J. Jarvis

arxiv:1302.2010 v3 · 2013-02-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3K3Z6ZHRULSWAMTPQRFOI62P4R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:51:43.515591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab79f64f1a2e560326f844ae47b4fe471ea4fd722bd3c14ff31c00d7fdb42bf

Aliases

arxiv: 1302.2010 · arxiv_version: 1302.2010v3 · doi: 10.48550/arxiv.1302.2010 · pith_short_12: 3K3Z6ZHRULSW · pith_short_16: 3K3Z6ZHRULSWAMTP · pith_short_8: 3K3Z6ZHR

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/3K3Z6ZHRULSWAMTPQRFOI62P4R \
  | 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: dab79f64f1a2e560326f844ae47b4fe471ea4fd722bd3c14ff31c00d7fdb42bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "473b3086327e833b9acd024f269d2b0b1060d2f20f12636416a140d18a53a9fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-08T12:17:51Z",
    "title_canon_sha256": "0efe432025f7397f0497e589eae6ca5cd85f29729fefec17edca43f99d70d8df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2010",
    "kind": "arxiv",
    "version": 3
  }
}