Pith Number

pith:NCQ2YSHI

pith:2011:NCQ2YSHIJB5ASDROKEVV5VMPWH

not attested not anchored not stored refs pending

Cosmology with the Square Kilometre Array

Steve Rawlings

arxiv:1105.6333 v1 · 2011-05-31 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCQ2YSHIJB5ASDROKEVV5VMPWH}

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	2026-05-18T04:20:59.686367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68a1ac48e8487a090e2e512b5ed58fb1ded2b22abb5b0a4564e932071a745d5b

Aliases

arxiv: 1105.6333 · arxiv_version: 1105.6333v1 · doi: 10.48550/arxiv.1105.6333 · pith_short_12: NCQ2YSHIJB5A · pith_short_16: NCQ2YSHIJB5ASDRO · pith_short_8: NCQ2YSHI

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/NCQ2YSHIJB5ASDROKEVV5VMPWH \
  | 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: 68a1ac48e8487a090e2e512b5ed58fb1ded2b22abb5b0a4564e932071a745d5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b34b54c68cc9b873e0908a881b052fddc10b3ec959b95f79f72b5fb8bac5c4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-31T16:16:55Z",
    "title_canon_sha256": "116dfab414c5afa60f9afc9ea5bcf03781f079b94fa31eb350fa994ab0f18797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.6333",
    "kind": "arxiv",
    "version": 1
  }
}