Pith Number

pith:SDV4VEJK

pith:2018:SDV4VEJKHFT6FRB74VCJAY7TNC

not attested not anchored not stored refs pending

Evolution and wave-like properties of the average solar supergranule

A. C. Birch, J. Langfellner, L. Gizon

arxiv:1805.12522 v1 · 2018-05-31 · 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{SDV4VEJKHFT6FRB74VCJAY7TNC}

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	2026-05-18T00:04:17.048644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ebca912a3967e2c43fe5449063f368a88f46b3c04cdb368b5395a2f54c2351

Aliases

arxiv: 1805.12522 · arxiv_version: 1805.12522v1 · doi: 10.48550/arxiv.1805.12522 · pith_short_12: SDV4VEJKHFT6 · pith_short_16: SDV4VEJKHFT6FRB7 · pith_short_8: SDV4VEJK

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/SDV4VEJKHFT6FRB74VCJAY7TNC \
  | 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: 90ebca912a3967e2c43fe5449063f368a88f46b3c04cdb368b5395a2f54c2351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f5c69264a78b785139f9c6938ace19e2a333f8d23af5a39e7573e718faea793",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-31T15:44:53Z",
    "title_canon_sha256": "1d7d746a16f56b4d777646bec9abbdbc4dc5bdcd36d9f3bac2163197bfbd918b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12522",
    "kind": "arxiv",
    "version": 1
  }
}