Pith Number

pith:ZXJKS6JE

pith:2026:ZXJKS6JER4QWP7TGXXJ42EOIUH

not attested not anchored not stored refs pending

A Reproducible AAVSO Johnson-V Fourier Template for the Prototype Cepheid Delta Cephei

Wafa Gull, Zuhoor Elahi

arxiv:2606.29543 v1 · 2026-06-28 · 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{ZXJKS6JER4QWP7TGXXJ42EOIUH}

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	2026-06-30T01:18:11.199991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdd2a979248f2167fe66bdd3cd11c8a1d69c0fa3a7a3110d2f6f490ec70d2b4e

Aliases

arxiv: 2606.29543 · arxiv_version: 2606.29543v1 · doi: 10.48550/arxiv.2606.29543 · pith_short_12: ZXJKS6JER4QW · pith_short_16: ZXJKS6JER4QWP7TG · pith_short_8: ZXJKS6JE

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/ZXJKS6JER4QWP7TGXXJ42EOIUH \
  | 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: cdd2a979248f2167fe66bdd3cd11c8a1d69c0fa3a7a3110d2f6f490ec70d2b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8df8169d3247d56d66963259bc915a813838ff4024b601f9781740bf0c98c1bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-28T18:12:20Z",
    "title_canon_sha256": "fa9e8bb9680bcfc6554516dff0e3a99fbccd2c83973857e93aa23863e65e611f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29543",
    "kind": "arxiv",
    "version": 1
  }
}