Pith Number

pith:VCRZ5JRT

pith:2016:VCRZ5JRTHB5RX27NIWBDIGOS2M

not attested not anchored not stored refs pending

Flaring Rates and the Evolution of Sunspot Group McIntosh Classifications

Aoife E. McCloskey, D. Shaun Bloomfield, Peter T. Gallagher

arxiv:1607.00903 v1 · 2016-07-04 · 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{VCRZ5JRTHB5RX27NIWBDIGOS2M}

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	2026-05-18T01:11:34.059366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8a39ea633387b1bebed45823419d2d32d57261dc42b73bdd985e931fd9db3c9

Aliases

arxiv: 1607.00903 · arxiv_version: 1607.00903v1 · doi: 10.48550/arxiv.1607.00903 · pith_short_12: VCRZ5JRTHB5R · pith_short_16: VCRZ5JRTHB5RX27N · pith_short_8: VCRZ5JRT

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/VCRZ5JRTHB5RX27NIWBDIGOS2M \
  | 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: a8a39ea633387b1bebed45823419d2d32d57261dc42b73bdd985e931fd9db3c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19d6c17e3cc7adf8f060755f6b838c724e1c7fe8aa3f6296b970adacaa412ab7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-04T14:30:05Z",
    "title_canon_sha256": "70c6829c7638a8b99a6e6049b5847c8857b6d039e56856d48059abc2abd8aee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00903",
    "kind": "arxiv",
    "version": 1
  }
}