Pith Number

pith:NJVR3QG2

pith:2015:NJVR3QG2TYE42DR4HXFBL4ZI5N

not attested not anchored not stored refs pending

Solar extreme events

Hugh S. Hudson

arxiv:1504.04755 v1 · 2015-04-18 · 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{NJVR3QG2TYE42DR4HXFBL4ZI5N}

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	2026-05-18T01:34:23.510715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6b1dc0da9e09cd0e3c3dca15f328eb6b8ab60ef044d453559cf06312121b47

Aliases

arxiv: 1504.04755 · arxiv_version: 1504.04755v1 · doi: 10.48550/arxiv.1504.04755 · pith_short_12: NJVR3QG2TYE4 · pith_short_16: NJVR3QG2TYE42DR4 · pith_short_8: NJVR3QG2

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/NJVR3QG2TYE42DR4HXFBL4ZI5N \
  | 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: 6a6b1dc0da9e09cd0e3c3dca15f328eb6b8ab60ef044d453559cf06312121b47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd41eb4d0720413646802482b38853bc1d32bfeb28a7ce9792bc59dec16f772f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-18T20:11:19Z",
    "title_canon_sha256": "f08fb4ef8dfd933c9bf68397909cf97a769b9b1f5107e9a99e2df65da7e01cab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04755",
    "kind": "arxiv",
    "version": 1
  }
}