Pith Number

pith:LYCAVDZC

pith:2015:LYCAVDZCULZ7YATOZWR4WIWT74

not attested not anchored not stored refs pending

Activity trends in young solar-type stars

Gregory W. Henry, Jyri Lehtinen, Lauri Jetsu, Perttu Kajatkari, Thomas Hackman

arxiv:1509.06606 v2 · 2015-09-22 · 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{LYCAVDZCULZ7YATOZWR4WIWT74}

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	2026-05-18T01:18:54.238743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e040a8f22a2f3fc026ecda3cb22d3ff00ea620ad6fcaee5a4201a5b02b1b6fc

Aliases

arxiv: 1509.06606 · arxiv_version: 1509.06606v2 · doi: 10.48550/arxiv.1509.06606 · pith_short_12: LYCAVDZCULZ7 · pith_short_16: LYCAVDZCULZ7YATO · pith_short_8: LYCAVDZC

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/LYCAVDZCULZ7YATOZWR4WIWT74 \
  | 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: 5e040a8f22a2f3fc026ecda3cb22d3ff00ea620ad6fcaee5a4201a5b02b1b6fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "137f9a2a780f0187103ce37dda7b53eb2ba1a526b1f7c324d199b04fbfd36000",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-22T13:53:15Z",
    "title_canon_sha256": "6812c07ff4e857c08c0ad7549b60486f550c53c919b683ae2a08ef2ddf3bdd5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06606",
    "kind": "arxiv",
    "version": 2
  }
}