Pith Number

pith:V6CXIOCM

pith:2015:V6CXIOCMLNMRM4Z2XBURFQMO3W

not attested not anchored not stored refs pending

A review of landmark articles in the field of co-evolutionary computing

Noe Casas

arxiv:1506.05082 v2 · 2015-06-10 · cs.NE

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

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	2026-05-18T01:37:44.190338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8574384c5b5916733ab86912c18eddb10a5cb581f17ea93248fb5e9aa616f2

Aliases

arxiv: 1506.05082 · arxiv_version: 1506.05082v2 · doi: 10.48550/arxiv.1506.05082 · pith_short_12: V6CXIOCMLNMR · pith_short_16: V6CXIOCMLNMRM4Z2 · pith_short_8: V6CXIOCM

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/V6CXIOCMLNMRM4Z2XBURFQMO3W \
  | 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: af8574384c5b5916733ab86912c18eddb10a5cb581f17ea93248fb5e9aa616f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63b40ddab5edb7c455fb5beb5825313661904d0c068b3d1a6133a1afe60fe6f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-06-10T15:38:17Z",
    "title_canon_sha256": "8c350132cfc2db897f2c419fb9cd58f9b0df7bcf00a2339836ce29f368ca4057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05082",
    "kind": "arxiv",
    "version": 2
  }
}