Pith Number

pith:EWQ6R23T

pith:2015:EWQ6R23TZ76KRLLEM2TD4XFWJP

not attested not anchored not stored refs pending

Extracting Periodic Transit Signals from Noisy Light Curves using Fourier Series

Johan Samsing

arxiv:1503.03504 v2 · 2015-03-11 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWQ6R23TZ76KRLLEM2TD4XFWJP}

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	2026-05-18T01:37:11.002161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a1e8eb73cffca8ad6466a63e5cb64bfc193b13265c486145bbd4264f345b70

Aliases

arxiv: 1503.03504 · arxiv_version: 1503.03504v2 · doi: 10.48550/arxiv.1503.03504 · pith_short_12: EWQ6R23TZ76K · pith_short_16: EWQ6R23TZ76KRLLE · pith_short_8: EWQ6R23T

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/EWQ6R23TZ76KRLLEM2TD4XFWJP \
  | 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: 25a1e8eb73cffca8ad6466a63e5cb64bfc193b13265c486145bbd4264f345b70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "066e8f0a634e881c37813aba896b9ba1cad9319ea97fe7e541f794d0bdb9cdcd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-11T21:06:12Z",
    "title_canon_sha256": "128c133dfcff0283bf75a2982805aa495b7bb65de0c5173731dffb1ee0a5c070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03504",
    "kind": "arxiv",
    "version": 2
  }
}