Pith Number

pith:OBSNBZ3O

pith:2026:OBSNBZ3OXBH4YIWM3KMETHZCAT

not attested not anchored not stored refs pending

Improvise, Adapt, Overcome: An On-The-Fly Multifidelity Algorithm for Efficient Machine Learning

Peter Zaspel, Vivin Vinod

arxiv:2606.02662 v1 · 2026-06-01 · cs.LG · cs.AI · physics.chem-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{OBSNBZ3OXBH4YIWM3KMETHZCAT}

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	2026-06-03T00:05:05.845507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7064d0e76eb84fcc22ccda98499f2204f5131aec4df6dad8e266d18d4a922496

Aliases

arxiv: 2606.02662 · arxiv_version: 2606.02662v1 · doi: 10.48550/arxiv.2606.02662 · pith_short_12: OBSNBZ3OXBH4 · pith_short_16: OBSNBZ3OXBH4YIWM · pith_short_8: OBSNBZ3O

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/OBSNBZ3OXBH4YIWM3KMETHZCAT \
  | 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: 7064d0e76eb84fcc22ccda98499f2204f5131aec4df6dad8e266d18d4a922496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04af54bdb685bf075f7b66030bded2ee52269a0bcec80a1f3222678a97e3e1ac",
    "cross_cats_sorted": [
      "cs.AI",
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-01T08:26:24Z",
    "title_canon_sha256": "7c32318eebe5c6315c2db40be487f914851e0ff2778ed180a190d1eca9afc6c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02662",
    "kind": "arxiv",
    "version": 1
  }
}