Pith Number

pith:SPDPS2NK

pith:2021:SPDPS2NKCO47N6OC2B5CHVYLAJ

not attested not anchored not stored refs pending

Golem: An algorithm for robust experiment and process optimization

Al\'an Aspuru-Guzik, Florian H\"ase, Isaac Tamblyn, Matteo Aldeghi, Riley J. Hickman

arxiv:2103.03716 v2 · 2021-03-05 · math.OC · cs.LG · 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{SPDPS2NKCO47N6OC2B5CHVYLAJ}

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	2026-07-05T03:33:04.472188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c6f969aa13b9f6f9c2d07a23d70b026865c5c4697c5d117670700b633019fb

Aliases

arxiv: 2103.03716 · arxiv_version: 2103.03716v2 · doi: 10.48550/arxiv.2103.03716 · pith_short_12: SPDPS2NKCO47 · pith_short_16: SPDPS2NKCO47N6OC · pith_short_8: SPDPS2NK

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/SPDPS2NKCO47N6OC2B5CHVYLAJ \
  | 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: 93c6f969aa13b9f6f9c2d07a23d70b026865c5c4697c5d117670700b633019fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27bcab9364294cf3d26889e1d0c54ee017079fa9687c49007235cdcf9be3efbc",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-03-05T15:00:34Z",
    "title_canon_sha256": "fd8848bc1f4a9ca69b883c0977d12a1da2c703ab733a6bfdbea0a70d4d3f7612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03716",
    "kind": "arxiv",
    "version": 2
  }
}