Pith Number

pith:HQBN3GYC

pith:2024:HQBN3GYCY5A4ACE5V2WSA4BSIY

not attested not anchored not stored refs pending

Learn to formulate: A surrogate model framework for generalized assignment problem with routing constraints

Chuanhou Gao, Sen Xue

arxiv:2405.13509 v1 · 2024-05-22 · 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{HQBN3GYCY5A4ACE5V2WSA4BSIY}

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.

Cited by

1 paper in Pith

Hierarchical Decision Making with Structured Policies: A Principled Design via Inverse Optimization

Receipt and verification

First computed	2026-07-05T08:22:03.704925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c02dd9b02c741c0089daead2070324600dbea47b24641f7363b8b37e5f7b5d6

Aliases

arxiv: 2405.13509 · arxiv_version: 2405.13509v1 · doi: 10.48550/arxiv.2405.13509 · pith_short_12: HQBN3GYCY5A4 · pith_short_16: HQBN3GYCY5A4ACE5 · pith_short_8: HQBN3GYC

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/HQBN3GYCY5A4ACE5V2WSA4BSIY \
  | 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: 3c02dd9b02c741c0089daead2070324600dbea47b24641f7363b8b37e5f7b5d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d86ea9b77faf5937a332216ab62dd47dc0cd9b8c025c7a2c10737d9e732ad0e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-05-22T10:12:08Z",
    "title_canon_sha256": "940d15314a27c619f1d78b48fcc69cd55028eeb0cd9eff24346e2c126f2c8245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.13509",
    "kind": "arxiv",
    "version": 1
  }
}