Pith Number

pith:EUMESBEC

pith:2013:EUMESBECKMJ4TQMQLLBL35WUBI

not attested not anchored not stored refs pending

Discovery of the spectroscopic binary nature of six southern Cepheids

A. Derekas, Cs. Kiss, J. Kov\'acs, J. L. Christiansen, L. L. Kiss, L. Szabados, P. Sz\'ekely, R. I. Anderson, T. Szalai

arxiv:1301.7615 v1 · 2013-01-31 · 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{EUMESBECKMJ4TQMQLLBL35WUBI}

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	2026-05-18T03:30:27.480892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25184904825313c9c1905ac2bdf6d40a24925b01b08c0095ef138493389811b8

Aliases

arxiv: 1301.7615 · arxiv_version: 1301.7615v1 · doi: 10.48550/arxiv.1301.7615 · pith_short_12: EUMESBECKMJ4 · pith_short_16: EUMESBECKMJ4TQMQ · pith_short_8: EUMESBEC

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/EUMESBECKMJ4TQMQLLBL35WUBI \
  | 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: 25184904825313c9c1905ac2bdf6d40a24925b01b08c0095ef138493389811b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ef1626191f8bcfb109803f69442ddef126afdbcbc987f7354dfcddf5b3d6b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-31T13:53:00Z",
    "title_canon_sha256": "4c615496bf88718fa6004742655567d5d91053145a2d223fc345f6dad4fb7694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7615",
    "kind": "arxiv",
    "version": 1
  }
}