Pith Number

pith:FLUMTUB2

pith:2026:FLUMTUB2C2XVZW4QHBSPYQMRMY

not attested not anchored not stored refs pending

Localized, High-resolution Geographic Representations with Slepian Functions

Arjun Rao, David Rolnick, Konstantin Klemmer, Marc Ru{\ss}wurm, Ruth Crasto, Tessa Ooms

arxiv:2602.00392 v2 · 2026-01-30 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLUMTUB2C2XVZW4QHBSPYQMRMY}

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	2026-06-03T01:05:48.337077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae8c9d03a16af5cdb903864fc41916638a1b06875f722efa7bc05c0382d284a

Aliases

arxiv: 2602.00392 · arxiv_version: 2602.00392v2 · doi: 10.48550/arxiv.2602.00392 · pith_short_12: FLUMTUB2C2XV · pith_short_16: FLUMTUB2C2XVZW4Q · pith_short_8: FLUMTUB2

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/FLUMTUB2C2XVZW4QHBSPYQMRMY \
  | 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: 2ae8c9d03a16af5cdb903864fc41916638a1b06875f722efa7bc05c0382d284a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3603eff59fdba9385e9cd143cb1cd52f1ac4c7c152e9a80268d32c6b27334051",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-30T23:11:41Z",
    "title_canon_sha256": "778be7616668077dbe684fd9a6b16c2aad1827ddac8e8f1b46e1dc62ae2d5e5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.00392",
    "kind": "arxiv",
    "version": 2
  }
}