Pith Number

pith:WDN3W3JT

pith:2015:WDN3W3JTES7WMHIGSNKDUEWUEH

not attested not anchored not stored refs pending

A Package for the Automated Classification of Periodic Variable Stars

Coryn A.L. Bailer-Jones, Dae-Won Kim

arxiv:1512.01611 v2 · 2015-12-05 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDN3W3JTES7WMHIGSNKDUEWUEH}

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	2026-05-18T01:20:32.859289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0dbbb6d3324bf661d0693543a12d421cd54a25c9a1ba08f4cc3909e05b1cdbb

Aliases

arxiv: 1512.01611 · arxiv_version: 1512.01611v2 · doi: 10.48550/arxiv.1512.01611 · pith_short_12: WDN3W3JTES7W · pith_short_16: WDN3W3JTES7WMHIG · pith_short_8: WDN3W3JT

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/WDN3W3JTES7WMHIGSNKDUEWUEH \
  | 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: b0dbbb6d3324bf661d0693543a12d421cd54a25c9a1ba08f4cc3909e05b1cdbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d650fc3af6662610a372664a951761b8e24f090d78726af8420a27a7195a01e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-12-05T02:23:45Z",
    "title_canon_sha256": "7d91f884321fbb68761d880aa6c23d90951e98ade012753ffaf95e87996b4908"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01611",
    "kind": "arxiv",
    "version": 2
  }
}