Pith Number

pith:2BFBSEEA

pith:2026:2BFBSEEAUMXMJI6QLIBZPL2P7Y

not attested not anchored not stored refs pending

HourGlass: A probabilistic data-driven temporal downscaler for global and regional weather forecasting

Ana Prieto Nemesio, Cathal O'Brien, Christian Lessig, Even M. Nordhagen, Florian Pinault, Gert Mertes, H{\aa}vard Homleid Haugen, Harrison Cook, Ivar A. Seierstad, John Bj{\o}rnar Bremnes, Magnus Sikora Ingstad, Mariana C. A. Clare, Matthew Chantry, Michael Maier-Gerber, Olav Ersland, Oph\'elia Miralles, Thomas N. Nipen, Vera Gahlen, Zied Ben Bouall\`egue

arxiv:2607.11457 v1 · 2026-07-13 · 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{2BFBSEEAUMXMJI6QLIBZPL2P7Y}

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	2026-07-14T02:22:04.115299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04a191080a32ec4a3d05a0397af4ffe1cd021004614f5768332cf9234a25fca

Aliases

arxiv: 2607.11457 · arxiv_version: 2607.11457v1 · doi: 10.48550/arxiv.2607.11457 · pith_short_12: 2BFBSEEAUMXM · pith_short_16: 2BFBSEEAUMXMJI6Q · pith_short_8: 2BFBSEEA

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/2BFBSEEAUMXMJI6QLIBZPL2P7Y \
  | 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: d04a191080a32ec4a3d05a0397af4ffe1cd021004614f5768332cf9234a25fca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d4d3cc9e70c1f565d600bbb4a9e68045a9e455232a862c43c483099fb9add54",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-07-13T12:07:51Z",
    "title_canon_sha256": "bb53b0a9d9249c3c1d0b06b88240fdd7864bbd29f3447e47efe8438849001bc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.11457",
    "kind": "arxiv",
    "version": 1
  }
}