Pith Number

pith:WTAXPLQC

pith:2013:WTAXPLQCNV2YIYT35JJKQTUU4A

not attested not anchored not stored refs pending

The Identification of 93 Day Periodic Photometric Variability for YSO YLW 16A

J. Robert Parks, Nadanai Laohakunakorn, Peter Plavchan, Tina Gueth

arxiv:1304.2398 v1 · 2013-04-08 · 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{WTAXPLQCNV2YIYT35JJKQTUU4A}

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	2026-05-18T01:50:41.431436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c177ae026d7584627bea52a84e94e018cae69015697f7cfe278e6f8ed066c5

Aliases

arxiv: 1304.2398 · arxiv_version: 1304.2398v1 · doi: 10.48550/arxiv.1304.2398 · pith_short_12: WTAXPLQCNV2Y · pith_short_16: WTAXPLQCNV2YIYT3 · pith_short_8: WTAXPLQC

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/WTAXPLQCNV2YIYT35JJKQTUU4A \
  | 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: b4c177ae026d7584627bea52a84e94e018cae69015697f7cfe278e6f8ed066c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "419febf58b681574866ca31680673574067c1c031e7c019fae880af5a7c760f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-08T20:00:05Z",
    "title_canon_sha256": "3d380e1aa762fe399f14c31d8cc4bd6a745ef5a33a8da50f515f10f864417181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2398",
    "kind": "arxiv",
    "version": 1
  }
}