Pith Number

pith:R4AEZDUG

pith:2013:R4AEZDUGK2NNNR4YYUYAOUV5ZD

not attested not anchored not stored refs pending

Variable Stars and Galactic Structure

Michael W. Feast, Patricia A. Whitelock

arxiv:1310.3928 v1 · 2013-10-15 · astro-ph.GA · 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{R4AEZDUGK2NNNR4YYUYAOUV5ZD}

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	2026-05-18T01:47:05.422352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f004c8e86569ad6c798c5300752bdc8f41bac59286657e3b21774d9344e2073

Aliases

arxiv: 1310.3928 · arxiv_version: 1310.3928v1 · doi: 10.48550/arxiv.1310.3928 · pith_short_12: R4AEZDUGK2NN · pith_short_16: R4AEZDUGK2NNNR4Y · pith_short_8: R4AEZDUG

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/R4AEZDUGK2NNNR4YYUYAOUV5ZD \
  | 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: 8f004c8e86569ad6c798c5300752bdc8f41bac59286657e3b21774d9344e2073

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42c0611af9468cd7378eaafcf3997bffe71ab22056aea776cbbad4753d5d70ea",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-15T06:40:32Z",
    "title_canon_sha256": "6562812233eb5cf1b163233ae60301d38ab68536ef106ef16c29a8e66df0c283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3928",
    "kind": "arxiv",
    "version": 1
  }
}