Pith Number

pith:ZCAVFX4B

pith:2025:ZCAVFX4BKKRRLIL2H6QYNK25XT

not attested not anchored not stored refs pending

Actively Inferring Optimal Measurement Sequences

Catherine F. Higham, Paul Henderson, Roderick Murray-Smith

arxiv:2502.18142 v1 · 2025-02-25 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCAVFX4BKKRRLIL2H6QYNK25XT}

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	2026-07-05T10:19:49.568838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c88152df8152a315a17a3fa186ab5dbcc3bb9103ed86b47eee11a25a8c689622

Aliases

arxiv: 2502.18142 · arxiv_version: 2502.18142v1 · doi: 10.48550/arxiv.2502.18142 · pith_short_12: ZCAVFX4BKKRR · pith_short_16: ZCAVFX4BKKRRLIL2 · pith_short_8: ZCAVFX4B

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/ZCAVFX4BKKRRLIL2H6QYNK25XT \
  | 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: c88152df8152a315a17a3fa186ab5dbcc3bb9103ed86b47eee11a25a8c689622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ed6ac1e47329163eab1ff3791f760a33acc18292af2f43136190c9233110531",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-25T12:10:28Z",
    "title_canon_sha256": "7a0a5c3494ae1121a71bf41f8885ab694b1f21e43467804eb5ce11c1a529fcc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.18142",
    "kind": "arxiv",
    "version": 1
  }
}