Pith Number

pith:QD3MWI6D

pith:2018:QD3MWI6DVX4F7S4KTIJXCKE43A

not attested not anchored not stored refs pending

Swarm Intelligent Algorithm For Re-entrant Hybrid Flow shop Scheduling Problems

Fanyi Xie, Xiaoting Dong, Xutian Tian, Zhonghua Han

arxiv:1901.09660 v1 · 2018-12-09 · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QD3MWI6DVX4F7S4KTIJXCKE43A}

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	2026-05-17T23:55:24.182955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f6cb23c3adf85fcb8a9a1371289cd8002102271b4ddcc2e210fe7e015d2235

Aliases

arxiv: 1901.09660 · arxiv_version: 1901.09660v1 · doi: 10.48550/arxiv.1901.09660 · pith_short_12: QD3MWI6DVX4F · pith_short_16: QD3MWI6DVX4F7S4K · pith_short_8: QD3MWI6D

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/QD3MWI6DVX4F7S4KTIJXCKE43A \
  | 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: 80f6cb23c3adf85fcb8a9a1371289cd8002102271b4ddcc2e210fe7e015d2235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acee8bfe42157fa617b90bdbf1673f1251c404f10618fa3dc05d178795f120a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2018-12-09T06:34:33Z",
    "title_canon_sha256": "be0de9e27cecc67a9814fb629650fdf87dd52d6e2460e8fb2ed0e15f292465bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09660",
    "kind": "arxiv",
    "version": 1
  }
}