Pith Number

pith:LVDJZKD4

pith:2010:LVDJZKD4KSYUDRYLI27LUBQNCG

not attested not anchored not stored refs pending

Quantifying cosmic variance

Aaron S.G. Robotham (Univ. St Andrews), Simon P. Driver

arxiv:1005.2538 v1 · 2010-05-14 · 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{LVDJZKD4KSYUDRYLI27LUBQNCG}

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	2026-05-18T02:07:32.765141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d469ca87c54b141c70b46beba060d118491bb513f8a7c141dbbb2a37a533f23

Aliases

arxiv: 1005.2538 · arxiv_version: 1005.2538v1 · doi: 10.48550/arxiv.1005.2538 · pith_short_12: LVDJZKD4KSYU · pith_short_16: LVDJZKD4KSYUDRYL · pith_short_8: LVDJZKD4

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/LVDJZKD4KSYUDRYLI27LUBQNCG \
  | 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: 5d469ca87c54b141c70b46beba060d118491bb513f8a7c141dbbb2a37a533f23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff17f1ec58854ec9292368d2ccd38569b15effe38be0dac0c7eff6a024c6d5dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-14T14:23:29Z",
    "title_canon_sha256": "7fecb4e7d2d6cc5185c4d5b7a0db52535127387a2d2b8fc8edb6a60fdaa113d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2538",
    "kind": "arxiv",
    "version": 1
  }
}