Pith Number

pith:VBRDJ2S2

pith:2026:VBRDJ2S2PNEXD6D2H25BNGDIEI

not attested not anchored not stored refs pending

Fast covariance-free spatiotemporal modeling via coarse-to-fine learning

Daisuke Murakami

arxiv:2608.03449 v1 · 2026-08-04 · stat.ME · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBRDJ2S2PNEXD6D2H25BNGDIEI}

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	2026-08-05T01:35:52.194351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a86234ea5a7b4971f87a3eba169868222209f9cde457e674c5722dcc47fb6115

Aliases

arxiv: 2608.03449 · arxiv_version: 2608.03449v1 · doi: 10.48550/arxiv.2608.03449 · pith_short_12: VBRDJ2S2PNEX · pith_short_16: VBRDJ2S2PNEXD6D2 · pith_short_8: VBRDJ2S2

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/VBRDJ2S2PNEXD6D2H25BNGDIEI \
  | 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: a86234ea5a7b4971f87a3eba169868222209f9cde457e674c5722dcc47fb6115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8db376dd5c09f5bba7d8ee56af12d67e49c6286b600655da29ccfae53ed2506d",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-08-04T10:45:44Z",
    "title_canon_sha256": "330a83e04724a313053576ec6fb9caf243cfa164973c59fd49b0354fd66a68b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03449",
    "kind": "arxiv",
    "version": 1
  }
}