pith. sign in
Pith Number

pith:X6NDJTGR

pith:2014:X6NDJTGRYNJSBAYHRINJ7YJILZ
not attested not anchored not stored refs pending

Searching for short-period variable stars in the direction of Coma Berenices and Upgren 1 open clusters: Melotte 111 AV 1224 a new eclipsing binary star

J.H. Pena, L. Fox Machado, M. Alvarez, R. Michel

arxiv:1407.1981 v2 · 2014-07-08 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{X6NDJTGRYNJSBAYHRINJ7YJILZ}

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 2026-05-18T01:42:41.006682Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bf9a34ccd1c3532083078a1a9fe1285e557c806ba8864442afcf5b811b9abbed

Aliases

arxiv: 1407.1981 · arxiv_version: 1407.1981v2 · doi: 10.48550/arxiv.1407.1981 · pith_short_12: X6NDJTGRYNJS · pith_short_16: X6NDJTGRYNJSBAYH · pith_short_8: X6NDJTGR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/X6NDJTGRYNJSBAYHRINJ7YJILZ \
  | 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: bf9a34ccd1c3532083078a1a9fe1285e557c806ba8864442afcf5b811b9abbed
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a05c6e3b77b2265f138c7602a8da2c9c17359290b12d4b0514e468557c9b52c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-07-08T07:58:09Z",
    "title_canon_sha256": "e08fc6c3cf2cc817a3360d19624c15d11a7da34f5a50737548da0fe42ef4d1c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1981",
    "kind": "arxiv",
    "version": 2
  }
}