Pith Number

pith:ZXVEVW4R

pith:2012:ZXVEVW4RHFE5UWKVJKJCDWSJIM

not attested not anchored not stored refs pending

An Information Theoretic Algorithm for Finding Periodicities in Stellar Light Curves

Jose C. Principe, Pablo A. Estevez, Pablo Huijse, Pablo Zegers, Pavlos Protopapas

arxiv:1212.2398 v1 · 2012-12-11 · astro-ph.IM · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXVEVW4RHFE5UWKVJKJCDWSJIM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:32:06.355621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdea4adb913949da59554a9221da49433d38b232e2a92ebc564f2bcad04c67e3

Aliases

arxiv: 1212.2398 · arxiv_version: 1212.2398v1 · doi: 10.48550/arxiv.1212.2398 · pith_short_12: ZXVEVW4RHFE5 · pith_short_16: ZXVEVW4RHFE5UWKV · pith_short_8: ZXVEVW4R

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/ZXVEVW4RHFE5UWKVJKJCDWSJIM \
  | 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: cdea4adb913949da59554a9221da49433d38b232e2a92ebc564f2bcad04c67e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0e62a6e62512e4df1eb31e4a89d3ddcaa59ff4ddef02d2f23cc7eb208b2dcda",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-12-11T12:39:18Z",
    "title_canon_sha256": "7620b3ee9129ea78acda59d6df4ea77fe2dd520d3624bbae2b06cd1428896a44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2398",
    "kind": "arxiv",
    "version": 1
  }
}