Pith Number

pith:ZYV3HCER

pith:2025:ZYV3HCERPFEXFWQHW6JNCDZB3C

not attested not anchored not stored refs pending

Solving a real-world modular logistic scheduling problem with a quantum-classical metaheuristics

Abhishek Awasthi, Daniel Porawski, Florian Krellner, Michael Poppel, Nico Kraus, Sarah Braun

arxiv:2507.21701 v1 · 2025-07-29 · quant-ph · 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{ZYV3HCERPFEXFWQHW6JNCDZB3C}

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	2026-07-05T11:45:04.841368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce2bb38891794972da07b792d10f21d8aa2e4876e44645419bcaedabdc73f9e0

Aliases

arxiv: 2507.21701 · arxiv_version: 2507.21701v1 · doi: 10.48550/arxiv.2507.21701 · pith_short_12: ZYV3HCERPFEX · pith_short_16: ZYV3HCERPFEXFWQH · pith_short_8: ZYV3HCER

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/ZYV3HCERPFEXFWQHW6JNCDZB3C \
  | 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: ce2bb38891794972da07b792d10f21d8aa2e4876e44645419bcaedabdc73f9e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccbffd05e98bf8b823d1acee8e1452dd6a31d929a9f1393d86eb3ef88896411e",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-29T11:25:13Z",
    "title_canon_sha256": "ae6ddd5207012a49e0b49bb640856d205e924fba74898087c7c9ced6c16e0214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21701",
    "kind": "arxiv",
    "version": 1
  }
}