Pith Number

pith:7MQMUOI6

pith:2011:7MQMUOI6D5SEJYJ33A6PCXRINE

not attested not anchored not stored refs pending

The Square Kilometre Array

Richard Schilizzi, Steve Rawlings

arxiv:1105.5953 v1 · 2011-05-30 · 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{7MQMUOI6D5SEJYJ33A6PCXRINE}

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	2026-05-18T04:21:01.209763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb20ca391e1f6444e13bd83cf15e2869279cfb99608a3e5357ef73ba14cbe4c2

Aliases

arxiv: 1105.5953 · arxiv_version: 1105.5953v1 · doi: 10.48550/arxiv.1105.5953 · pith_short_12: 7MQMUOI6D5SE · pith_short_16: 7MQMUOI6D5SEJYJ3 · pith_short_8: 7MQMUOI6

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/7MQMUOI6D5SEJYJ33A6PCXRINE \
  | 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: fb20ca391e1f6444e13bd83cf15e2869279cfb99608a3e5357ef73ba14cbe4c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d472598413806bcc5d8f2c8e09657f1c8c8ab1f9f9b06debdfe76b4e516834bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-05-30T12:05:41Z",
    "title_canon_sha256": "f2f0f321b096eef8015738833e1a92c9f947c3caef853f82991b59d3f6e26593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5953",
    "kind": "arxiv",
    "version": 1
  }
}