Pith Number

pith:WGZXFCYQ

pith:2009:WGZXFCYQBN37GJNSMN3ZKX5LEE

not attested not anchored not stored refs pending

Variability type classification of multi-epoch surveys

A. Jan, J. Blomme, J. Debosscher, J. De Ridder, K. Nienartowicz, L. Eyer, L. Sarro, M. Lopez, P. Dubath

arxiv:0901.2835 v1 · 2009-01-19 · 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{WGZXFCYQBN37GJNSMN3ZKX5LEE}

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	2026-05-18T04:33:48.431283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1b3728b100b77f325b26377955fab21024198bf79b4324d1cc00cc71df5ab5b

Aliases

arxiv: 0901.2835 · arxiv_version: 0901.2835v1 · doi: 10.48550/arxiv.0901.2835 · pith_short_12: WGZXFCYQBN37 · pith_short_16: WGZXFCYQBN37GJNS · pith_short_8: WGZXFCYQ

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/WGZXFCYQBN37GJNSMN3ZKX5LEE \
  | 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: b1b3728b100b77f325b26377955fab21024198bf79b4324d1cc00cc71df5ab5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa58b8ff46b0fb15511298f53cdde366693720e5966da23b60b52332860ed929",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-01-19T12:37:41Z",
    "title_canon_sha256": "bff5eec2c77bf228594c7b4108fe5d4cc4f78d40a6d967f147e7a29f7a0930c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2835",
    "kind": "arxiv",
    "version": 1
  }
}