Pith Number

pith:DNJKK3H4

pith:2017:DNJKK3H4X7QCLLNCHK65ZYBBA6

not attested not anchored not stored refs pending

Experience-based Optimization: A Coevolutionary Approach

Ke Tang, Shengcai Liu, Xin Yao

arxiv:1703.09865 v2 · 2017-03-29 · 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{DNJKK3H4X7QCLLNCHK65ZYBBA6}

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	2026-05-18T00:18:26.873652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b52a56cfcbfe025ada23abddce02107a0d41e039ab740316d539f1f5b4f789a

Aliases

arxiv: 1703.09865 · arxiv_version: 1703.09865v2 · doi: 10.48550/arxiv.1703.09865 · pith_short_12: DNJKK3H4X7QC · pith_short_16: DNJKK3H4X7QCLLNC · pith_short_8: DNJKK3H4

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/DNJKK3H4X7QCLLNCHK65ZYBBA6 \
  | 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: 1b52a56cfcbfe025ada23abddce02107a0d41e039ab740316d539f1f5b4f789a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bdba20207acad5b5afddacc0ddc3b01b21bbfa20a97738ac3c322ecb7e61e79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2017-03-29T02:51:46Z",
    "title_canon_sha256": "5bf1fd89a62d1a77d394e427d1136b20a0c8a5210c870a8d91c2790a0cde97a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09865",
    "kind": "arxiv",
    "version": 2
  }
}