Pith Number

pith:KD2B2GXS

pith:2015:KD2B2GXS65ZQNNYVHKQPRJEDUH

not attested not anchored not stored refs pending

Newly Discovered Eclipsing Binary 2MASS J18024395+4003309 (VSX J180243.9+400331):Two-Color Photometry vs Phenomenological Modeling

Ivan L. Andronov, Joh-Na Yoon, Lidia L. Chinarova, Mariia G.Tkachenko, Yonggi Kim, Young-hee Kim

arxiv:1512.04272 v1 · 2015-12-14 · 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{KD2B2GXS65ZQNNYVHKQPRJEDUH}

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	2026-05-18T01:24:22.658162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50f41d1af2f77306b7153aa0f8a483a1e8fa57b8c2a1e462b7112797b1fef7dd

Aliases

arxiv: 1512.04272 · arxiv_version: 1512.04272v1 · doi: 10.48550/arxiv.1512.04272 · pith_short_12: KD2B2GXS65ZQ · pith_short_16: KD2B2GXS65ZQNNYV · pith_short_8: KD2B2GXS

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/KD2B2GXS65ZQNNYVHKQPRJEDUH \
  | 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: 50f41d1af2f77306b7153aa0f8a483a1e8fa57b8c2a1e462b7112797b1fef7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60055671eb089ecce327cf5aa47012887c0813a7540eaae5e9be39e754a2ed18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-14T12:16:45Z",
    "title_canon_sha256": "264d51c95e7dbe7b2716c5b68f5dcc62cb1e008bf6b1cbf0d97a0b4b81de7727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04272",
    "kind": "arxiv",
    "version": 1
  }
}