Pith Number

pith:OLN4MWZ5

pith:2013:OLN4MWZ5ADLHH3UEXW6ZSTWNGR

not attested not anchored not stored refs pending

Photometric Analysis of Variable Stars in NGC 299

A. Udalski, I. Serraj, P.C. Schmidtke, R.J. Sanders

arxiv:1302.6943 v5 · 2013-02-27 · 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{OLN4MWZ5ADLHH3UEXW6ZSTWNGR}

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	2026-05-18T03:27:31.959445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72dbc65b3d00d673ee84bdbd994ecd34617539b8829a54ce293772f9aacac76a

Aliases

arxiv: 1302.6943 · arxiv_version: 1302.6943v5 · doi: 10.48550/arxiv.1302.6943 · pith_short_12: OLN4MWZ5ADLH · pith_short_16: OLN4MWZ5ADLHH3UE · pith_short_8: OLN4MWZ5

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/OLN4MWZ5ADLHH3UEXW6ZSTWNGR \
  | 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: 72dbc65b3d00d673ee84bdbd994ecd34617539b8829a54ce293772f9aacac76a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5368d8cc3aaf559a931c040f1c217e5fa3fcd11a500dbf84fd219d30da0f79af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-27T17:57:17Z",
    "title_canon_sha256": "a231a548f5beb41e26a0d07837c8c6ebe45f4b42b5574f2e5bd41578682805b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6943",
    "kind": "arxiv",
    "version": 5
  }
}