Pith Number

pith:DH6RIQPB

pith:2026:DH6RIQPBETOMGMD4IEM3MJKC7A

not attested not anchored not stored refs pending

Long-term Orbital Period Variations of the Eclipsing Dwarf Nova HT Cas

Ali Takey, Aykut Ozdonmez, Burak Batuhan G\"urbulak, Ergun Ege, Huseyin Er, Ilham Nasiroglu, M. Abdelkareem, M. Emir Kenger, Murat Tekkesinoglu, Nazl{\i} Karaman

arxiv:2606.25648 v1 · 2026-06-24 · astro-ph.SR · 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{DH6RIQPBETOMGMD4IEM3MJKC7A}

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	2026-06-25T01:18:11.625438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19fd1441e124dcc3307c4119b62542f833bf6ca04ffefc78006ab5304ab4dfc4

Aliases

arxiv: 2606.25648 · arxiv_version: 2606.25648v1 · doi: 10.48550/arxiv.2606.25648 · pith_short_12: DH6RIQPBETOM · pith_short_16: DH6RIQPBETOMGMD4 · pith_short_8: DH6RIQPB

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/DH6RIQPBETOMGMD4IEM3MJKC7A \
  | 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: 19fd1441e124dcc3307c4119b62542f833bf6ca04ffefc78006ab5304ab4dfc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e49e31a6112a520d69cdd8503b0eb13fc4b8c5faf2f1b48d3a5f96124d89400",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-24T09:57:34Z",
    "title_canon_sha256": "9f0d6d4bfb5026eeeeebee5dbfb2b5498ff5aaa68d0834f6f8e8c3f8fee487ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25648",
    "kind": "arxiv",
    "version": 1
  }
}