Pith Number

pith:RQCIS6AW

pith:2014:RQCIS6AWWL2IZFHVZGCW3KMRNC

not attested not anchored not stored refs pending

A photometric variability study of massive stars in Cygnus OB2

J. Ma\'iz Apell\'aniz, J. Salas, R. H. Barb\'a

arxiv:1410.6767 v1 · 2014-10-23 · 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{RQCIS6AWWL2IZFHVZGCW3KMRNC}

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	2026-05-18T02:39:24.606388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c04897816b2f48c94f5c9856da991689b3e62388c100724cb199e607fd3aaf0

Aliases

arxiv: 1410.6767 · arxiv_version: 1410.6767v1 · doi: 10.48550/arxiv.1410.6767 · pith_short_12: RQCIS6AWWL2I · pith_short_16: RQCIS6AWWL2IZFHV · pith_short_8: RQCIS6AW

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/RQCIS6AWWL2IZFHVZGCW3KMRNC \
  | 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: 8c04897816b2f48c94f5c9856da991689b3e62388c100724cb199e607fd3aaf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f91929cbcd8ca63503d2ce2828ce4c4c8edd201fa630a10897c9e74b9d7c8397",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-10-23T08:16:53Z",
    "title_canon_sha256": "a29204499652f739d729d20e68204c381f1c3ed67491b974317a93649388dd30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6767",
    "kind": "arxiv",
    "version": 1
  }
}