Pith Number

pith:ULT4HSJW

pith:2026:ULT4HSJWP3P5MNHBPVNVSIOO2P

not attested not anchored not stored refs pending

The Problem of Dynamic Spatial Sampling and Geofence Surveillance

Jason Byers, Marty Davidson

arxiv:2603.28958 v2 · 2026-03-30 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULT4HSJWP3P5MNHBPVNVSIOO2P}

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	2026-07-13T01:20:07.755898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e7c3c9367edfd634e17d5b5921ced3ea38723cedaf53b2635a5b436d1ec433

Aliases

arxiv: 2603.28958 · arxiv_version: 2603.28958v2 · doi: 10.48550/arxiv.2603.28958 · pith_short_12: ULT4HSJWP3P5 · pith_short_16: ULT4HSJWP3P5MNHB · pith_short_8: ULT4HSJW

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/ULT4HSJWP3P5MNHBPVNVSIOO2P \
  | 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: a2e7c3c9367edfd634e17d5b5921ced3ea38723cedaf53b2635a5b436d1ec433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c86e050b9ca2895545957916af94966a116ba2291a8bdd687d64e2372f0881d9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2026-03-30T20:04:36Z",
    "title_canon_sha256": "c174994562c654109def46cd0cc2086efc36f4d76aa6e659a5e24b125dbb83f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.28958",
    "kind": "arxiv",
    "version": 2
  }
}