Pith Number

pith:UZMG4F3Z

pith:2026:UZMG4F3Z742STJNRQQGHT44D3E

not attested not anchored not stored refs pending

Global reanalysis from observations alone with machine learning

Anthony McNally, Eulalie Boucher, Ewan Pinnington, Hans Hersbach, Matthew Chantry, Mihai Alexe, Niels Bormann, Patrick Laloyaux, Paul Poli, Peter Lean, Simon Lang, Tomas Kral

arxiv:2607.07879 v1 · 2026-07-08 · 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{UZMG4F3Z742STJNRQQGHT44D3E}

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	2026-07-10T00:19:03.875080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6586e1779ff3529a5b1840c79f383d9024d44012d0b3d6687672f6859bc06c1

Aliases

arxiv: 2607.07879 · arxiv_version: 2607.07879v1 · doi: 10.48550/arxiv.2607.07879 · pith_short_12: UZMG4F3Z742S · pith_short_16: UZMG4F3Z742STJNR · pith_short_8: UZMG4F3Z

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/UZMG4F3Z742STJNRQQGHT44D3E \
  | 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: a6586e1779ff3529a5b1840c79f383d9024d44012d0b3d6687672f6859bc06c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e793ac8bb409556523f785b6dd458138ea40a2baf9a23aa57ec39fc9fb016f44",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-07-08T19:30:17Z",
    "title_canon_sha256": "16c3799a8a1ec9d8452e0061152c82a80e96d332fecfefa1f00d71322611860e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07879",
    "kind": "arxiv",
    "version": 1
  }
}