Pith Number

pith:KE4RTMCB

pith:2022:KE4RTMCBWDYSIUJPABREP3WDV2

not attested not anchored not stored refs pending

A machine learning based column-and-row generation approach for integrated air cargo recovery problem

Fan Xiao, Lei Huang, Zhe Liang

arxiv:2209.13880 v1 · 2022-09-28 · 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{KE4RTMCBWDYSIUJPABREP3WDV2}

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	2026-07-05T05:01:45.177274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

513919b041b0f124512f006247eec3aea5e2643fd8b348137fbc8ee015bd19ac

Aliases

arxiv: 2209.13880 · arxiv_version: 2209.13880v1 · doi: 10.48550/arxiv.2209.13880 · pith_short_12: KE4RTMCBWDYS · pith_short_16: KE4RTMCBWDYSIUJP · pith_short_8: KE4RTMCB

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/KE4RTMCBWDYSIUJPABREP3WDV2 \
  | 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: 513919b041b0f124512f006247eec3aea5e2643fd8b348137fbc8ee015bd19ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49659714637d175e6e982d877cd6c9f926a356abedd5c6378c964423e32b3750",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-09-28T07:28:26Z",
    "title_canon_sha256": "f823dc77c81b440b64529985746511836a05c8ac283af625a784709d9d1df6f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.13880",
    "kind": "arxiv",
    "version": 1
  }
}