Pith Number

pith:BM3RLA6H

pith:2021:BM3RLA6HWF6GV6WEOPOMLNCIHD

not attested not anchored not stored refs pending

Principled Design of Translation, Scale, and Rotation Invariant Variation Operators for Metaheuristics

Cheng He, Kay Chen Tan, Xingyi Zhang, Yaochu Jin, Ye Tian

arxiv:2105.10657 v1 · 2021-05-22 · 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{BM3RLA6HWF6GV6WEOPOMLNCIHD}

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	2026-07-05T02:42:17.015100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b371583c7b17c6afac473dcc5b44838eed3ad4eff4a8178ce6fe5d0c8e0737d

Aliases

arxiv: 2105.10657 · arxiv_version: 2105.10657v1 · doi: 10.48550/arxiv.2105.10657 · pith_short_12: BM3RLA6HWF6G · pith_short_16: BM3RLA6HWF6GV6WE · pith_short_8: BM3RLA6H

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/BM3RLA6HWF6GV6WEOPOMLNCIHD \
  | 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: 0b371583c7b17c6afac473dcc5b44838eed3ad4eff4a8178ce6fe5d0c8e0737d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c92465fa1f2fea1718cfbf8518bdf2b982ca1d565063cbcba183f3d4d02dd439",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2021-05-22T07:27:14Z",
    "title_canon_sha256": "78f266c6acf557fca17080254c0c77539f1d8fe2d09e5311efed010685c3cc68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10657",
    "kind": "arxiv",
    "version": 1
  }
}