Pith Number

pith:HWFTJKF7

pith:2025:HWFTJKF7MGVXBMX4GSNNIYPOLU

not attested not anchored not stored refs pending

Floods and Droughts in Asia, Europe, and America

Hiroshi G. Takahashi, Masashi Kiguchi, Shiori Sugimoto

arxiv:2506.10695 v1 · 2025-06-12 · 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{HWFTJKF7MGVXBMX4GSNNIYPOLU}

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	2026-07-05T11:20:28.742619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d8b34a8bf61ab70b2fc349ad461ee5d31efa10050692cf4df541b91c19f19c8

Aliases

arxiv: 2506.10695 · arxiv_version: 2506.10695v1 · doi: 10.48550/arxiv.2506.10695 · pith_short_12: HWFTJKF7MGVX · pith_short_16: HWFTJKF7MGVXBMX4 · pith_short_8: HWFTJKF7

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/HWFTJKF7MGVXBMX4GSNNIYPOLU \
  | 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: 3d8b34a8bf61ab70b2fc349ad461ee5d31efa10050692cf4df541b91c19f19c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac2164b9b7037aa66dff5e08b86dbcf40aeb49bd0263c96a659698f23a1e72dc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-06-12T13:47:56Z",
    "title_canon_sha256": "63ee8eb9e67c84632dab616545a173293c028302b915bc70f28c9ee7a070af43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.10695",
    "kind": "arxiv",
    "version": 1
  }
}