Pith Number

pith:J26E4CI4

pith:2020:J26E4CI4X2XHUWESGATFNUGKRM

not attested not anchored not stored refs pending

Iterative beam search algorithms for the permutation flowshop

Aur\'elien Secardin, Luc Libralesso, Pablo Andres Focke, Vincent Jost

arxiv:2009.05800 v1 · 2020-09-12 · cs.AI · cs.NE · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J26E4CI4X2XHUWESGATFNUGKRM}

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	2026-07-05T01:35:01.456347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebc4e091cbeae7a5892302656d0ca8b2e11f9185ad14bcdedc7a08c04871ac1

Aliases

arxiv: 2009.05800 · arxiv_version: 2009.05800v1 · doi: 10.48550/arxiv.2009.05800 · pith_short_12: J26E4CI4X2XH · pith_short_16: J26E4CI4X2XHUWES · pith_short_8: J26E4CI4

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/J26E4CI4X2XHUWESGATFNUGKRM \
  | 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: 4ebc4e091cbeae7a5892302656d0ca8b2e11f9185ad14bcdedc7a08c04871ac1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "105e17123f6243563d373a980f3534027c9d95badbdfbe19e04f8ad11edb4446",
    "cross_cats_sorted": [
      "cs.NE",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-09-12T14:23:41Z",
    "title_canon_sha256": "47c59a7b7cc5a51544753cec59bcdc9357b2346a49664a966e89e0f0428959f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05800",
    "kind": "arxiv",
    "version": 1
  }
}