Pith Number

pith:3S2S6DBB

pith:2013:3S2S6DBB3LGJS2WSK64C3AEF77

not attested not anchored not stored refs pending

An Overview of the Square Kilometre Array

Joseph Lazio, Minh Huynh

arxiv:1311.4288 v1 · 2013-11-18 · 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{3S2S6DBB3LGJS2WSK64C3AEF77}

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	2026-05-18T03:06:53.141023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcb52f0c21dacc996ad257b82d8085ffcd7a309f3c4b60999d20731fc77419e7

Aliases

arxiv: 1311.4288 · arxiv_version: 1311.4288v1 · doi: 10.48550/arxiv.1311.4288 · pith_short_12: 3S2S6DBB3LGJ · pith_short_16: 3S2S6DBB3LGJS2WS · pith_short_8: 3S2S6DBB

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/3S2S6DBB3LGJS2WSK64C3AEF77 \
  | 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: dcb52f0c21dacc996ad257b82d8085ffcd7a309f3c4b60999d20731fc77419e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5f94621d48e30e700e5d7ae89a1d977cf61d8dd40a013d5da85d10e2e4528e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-11-18T07:55:30Z",
    "title_canon_sha256": "a737036a2f4977a1bcd83ef43363854cef2bf6212901964f36668fce06cfcc31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4288",
    "kind": "arxiv",
    "version": 1
  }
}