Pith Number

pith:UA2DZ5HS

pith:2013:UA2DZ5HSYYLJRTCAE5U5TG7EDA

not attested not anchored not stored refs pending

Long-term photometry of three active red giants in close binary systems: V2253 Oph, IT Com and IS Vir

A. Mo\'or, K. G. Strassmeier, K. Ol\'ah, T. Borkovits, T. Granzer

arxiv:1301.3435 v1 · 2013-01-15 · 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{UA2DZ5HSYYLJRTCAE5U5TG7EDA}

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	2026-05-18T01:52:11.892709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0343cf4f2c61698cc402769d99be4180e52150a83f9801295594f549f894559

Aliases

arxiv: 1301.3435 · arxiv_version: 1301.3435v1 · doi: 10.48550/arxiv.1301.3435 · pith_short_12: UA2DZ5HSYYLJ · pith_short_16: UA2DZ5HSYYLJRTCA · pith_short_8: UA2DZ5HS

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/UA2DZ5HSYYLJRTCAE5U5TG7EDA \
  | 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: a0343cf4f2c61698cc402769d99be4180e52150a83f9801295594f549f894559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c18356201b7d2381f344a54455e73b25c553914f4fe8c72bcb88cc595893946",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-15T18:13:07Z",
    "title_canon_sha256": "07c337e1a66f9b42bc44f9a82ee7abdadf49598afc455708f0dfd365d6a1da01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3435",
    "kind": "arxiv",
    "version": 1
  }
}