Pith Number

pith:Q7IFPUPE

pith:2015:Q7IFPUPEFT6KLAIBQD66SMT4JA

not attested not anchored not stored refs pending

Study of FK Comae Berenices: VII. Correlating photospheric and chromospheric activity

H. Korhonen, I.V. Ilyin, K. Ol\'ah, K. Vida, M.I. Andersen, T. Hackman

arxiv:1505.07119 v1 · 2015-05-26 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7IFPUPEFT6KLAIBQD66SMT4JA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:35:54.344994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d057d1e42cfca5810180fde9327c4811f3813b48e04bc51b6e6d3968423633

Aliases

arxiv: 1505.07119 · arxiv_version: 1505.07119v1 · doi: 10.48550/arxiv.1505.07119 · pith_short_12: Q7IFPUPEFT6K · pith_short_16: Q7IFPUPEFT6KLAIB · pith_short_8: Q7IFPUPE

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/Q7IFPUPEFT6KLAIBQD66SMT4JA \
  | 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: 87d057d1e42cfca5810180fde9327c4811f3813b48e04bc51b6e6d3968423633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c555039565bcd2b13972c8a2e100ebc74f5388eaaaedb67e1f43031ebf080bdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-26T20:01:46Z",
    "title_canon_sha256": "c065c79a14d54b70ed64867a1b6a685d46bd61d6f06c1d3d8ab7fd448920ae01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07119",
    "kind": "arxiv",
    "version": 1
  }
}