Pith Number

pith:LS2HLPI5

pith:2020:LS2HLPI524XB4E5FTIBCSGHVNO

not attested not anchored not stored refs pending

Beer Organoleptic Optimisation: Utilising Swarm Intelligence and Evolutionary Computation Methods

Marc Cavazza, Mohammad Majid al-Rifaie

arxiv:2004.03438 v1 · 2020-04-07 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LS2HLPI524XB4E5FTIBCSGHVNO}

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	2026-07-05T00:53:26.081966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cb475bd1dd72e1e13a59a022918f56bb66e1bce1b5aacd7a3486be6b2838dc3

Aliases

arxiv: 2004.03438 · arxiv_version: 2004.03438v1 · doi: 10.48550/arxiv.2004.03438 · pith_short_12: LS2HLPI524XB · pith_short_16: LS2HLPI524XB4E5F · pith_short_8: LS2HLPI5

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/LS2HLPI524XB4E5FTIBCSGHVNO \
  | 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: 5cb475bd1dd72e1e13a59a022918f56bb66e1bce1b5aacd7a3486be6b2838dc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "678cb98cec1f287446310b5ef4b5cc1f367483065ba04e276edff517b84e3dda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-04-07T14:39:11Z",
    "title_canon_sha256": "7601f4b98e71a5ae5876d8d7c73526b31034a6e10efb4d17133067ea2908ae88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03438",
    "kind": "arxiv",
    "version": 1
  }
}