Pith Number

pith:NV4POQZP

pith:2021:NV4POQZP733TPDP7HNT2SJHO76

not attested not anchored not stored refs pending

Population-Based Evolution Optimizes a Meta-Learning Objective

Kevin Frans, Olaf Witkowski

arxiv:2103.06435 v1 · 2021-03-11 · 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{NV4POQZP733TPDP7HNT2SJHO76}

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.

Cited by

1 paper in Pith

Promptbreeder: Self-Referential Self-Improvement Via Prompt Evolution

Receipt and verification

First computed	2026-07-05T02:22:09.108881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d78f7432ffef7378dff3b67a924eeffb678254e7b68b100b32bab2779d9c25c

Aliases

arxiv: 2103.06435 · arxiv_version: 2103.06435v1 · doi: 10.48550/arxiv.2103.06435 · pith_short_12: NV4POQZP733T · pith_short_16: NV4POQZP733TPDP7 · pith_short_8: NV4POQZP

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/NV4POQZP733TPDP7HNT2SJHO76 \
  | 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: 6d78f7432ffef7378dff3b67a924eeffb678254e7b68b100b32bab2779d9c25c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ebfbec7fc16c9c55c9e7e1b647ee1a26fa73043c1ab1f9066f6aceaf1bf61a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2021-03-11T03:45:43Z",
    "title_canon_sha256": "9a698ba0ad27740a8510be3adc50e2eb87e30c3127617dc2d3b25f4f885c564f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06435",
    "kind": "arxiv",
    "version": 1
  }
}