Pith Number

pith:QADXKHSF

pith:2015:QADXKHSFP6AUJHZKWHKLL746RG

not attested not anchored not stored refs pending

Amplitude Modulation in the ZZ Ceti Star GD 244

\'A. S\'odor, E. Plachy, L. Moln\'ar, M. Papar\'o, Zs. Bogn\'ar

arxiv:1506.06960 v1 · 2015-06-23 · 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{QADXKHSFP6AUJHZKWHKLL746RG}

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	2026-05-18T01:40:55.481492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8007751e457f81449f2ab1d4b5ff9e899fc989f9570e5464fef3ab224deec239

Aliases

arxiv: 1506.06960 · arxiv_version: 1506.06960v1 · doi: 10.48550/arxiv.1506.06960 · pith_short_12: QADXKHSFP6AU · pith_short_16: QADXKHSFP6AUJHZK · pith_short_8: QADXKHSF

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/QADXKHSFP6AUJHZKWHKLL746RG \
  | 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: 8007751e457f81449f2ab1d4b5ff9e899fc989f9570e5464fef3ab224deec239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74485088a09cd87c7b48165b145292cf4b8f2a4cf164ab76f3db6014ad329f70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-23T12:02:04Z",
    "title_canon_sha256": "e31fd4adfba96a3cc3299353fb97cdbc413d23887f5bb0a73ce0266f3686bfcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06960",
    "kind": "arxiv",
    "version": 1
  }
}