Pith Number

pith:ZC2M6Y4T

pith:2017:ZC2M6Y4TELCZPIZWXXFAFF4YHX

not attested not anchored not stored refs pending

Should You Derive, Or Let the Data Drive? An Optimization Framework for Hybrid First-Principles Data-Driven Modeling

Haim Avron, Karen E. Willcox, Lior Horesh, Remi R. Lam

arxiv:1711.04374 v1 · 2017-11-12 · stat.ML · math.DS · math.OC · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZC2M6Y4TELCZPIZWXXFAFF4YHX}

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	2026-05-18T00:30:39.237773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8b4cf639322c597a336bdca0297983df55fc783ce1359ec218e647fdd5ae549

Aliases

arxiv: 1711.04374 · arxiv_version: 1711.04374v1 · doi: 10.48550/arxiv.1711.04374 · pith_short_12: ZC2M6Y4TELCZ · pith_short_16: ZC2M6Y4TELCZPIZW · pith_short_8: ZC2M6Y4T

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/ZC2M6Y4TELCZPIZWXXFAFF4YHX \
  | 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: c8b4cf639322c597a336bdca0297983df55fc783ce1359ec218e647fdd5ae549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c54fb3c6add2f8079f9be2c7fa7d46ac8f52dae7352083e144948be5c24ec69f",
    "cross_cats_sorted": [
      "math.DS",
      "math.OC",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-11-12T22:37:46Z",
    "title_canon_sha256": "7df8d6195305c4ef25a81e55f85f0b67a6d86d9ac66ec14133bcf6b16e6fe7fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04374",
    "kind": "arxiv",
    "version": 1
  }
}