Pith Number

pith:VCKPXA7G

pith:2019:VCKPXA7GFMWXCR6TVYS4G5UIQN

not attested not anchored not stored refs pending

VARENN: Graphical representation of spatiotemporal data and application to climate studies

Takeshi Ise, Yurika Oba

arxiv:1907.09725 v1 · 2019-07-23 · stat.ML · cs.LG · physics.ao-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCKPXA7GFMWXCR6TVYS4G5UIQN}

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	2026-05-17T23:39:50.266120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a894fb83e62b2d7147d3ae25c37688836620a9d76a0c1ba8a3f26c59e3cdb8c4

Aliases

arxiv: 1907.09725 · arxiv_version: 1907.09725v1 · doi: 10.48550/arxiv.1907.09725 · pith_short_12: VCKPXA7GFMWX · pith_short_16: VCKPXA7GFMWXCR6T · pith_short_8: VCKPXA7G

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/VCKPXA7GFMWXCR6TVYS4G5UIQN \
  | 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: a894fb83e62b2d7147d3ae25c37688836620a9d76a0c1ba8a3f26c59e3cdb8c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "933071d0c9f879a21d295ee60b9d21e46784daf2660722e2215b236cbc6a0fd5",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-07-23T07:23:01Z",
    "title_canon_sha256": "cc4976df015d5b95db6f1c555d92708405124392253041cda8144f73579fc3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09725",
    "kind": "arxiv",
    "version": 1
  }
}