Pith Number

pith:WSR4YYYP

pith:2018:WSR4YYYPS2NQQWVH2MRW4QBBDA

not attested not anchored not stored refs pending

Analysis methods of the flow field around decaying sunspots

Hanna Strecker, Nazaret Bello Gonz\'alez

arxiv:1811.01621 v1 · 2018-11-05 · 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{WSR4YYYPS2NQQWVH2MRW4QBBDA}

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	2026-05-18T00:01:33.766454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a3cc630f969b085aa7d3236e402118293a92a0aa72bcaad60b9f3a1cf3af83

Aliases

arxiv: 1811.01621 · arxiv_version: 1811.01621v1 · doi: 10.48550/arxiv.1811.01621 · pith_short_12: WSR4YYYPS2NQ · pith_short_16: WSR4YYYPS2NQQWVH · pith_short_8: WSR4YYYP

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/WSR4YYYPS2NQQWVH2MRW4QBBDA \
  | 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: b4a3cc630f969b085aa7d3236e402118293a92a0aa72bcaad60b9f3a1cf3af83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6636a6df3beb1a7efa88e00c75b75ca1618d754277a7520d49e0463a2955ddf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-05T11:35:54Z",
    "title_canon_sha256": "cfd39b3533d841dee282231ffcdb2b79a037cfb8ebdd520f6db9af3e903266b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01621",
    "kind": "arxiv",
    "version": 1
  }
}