Pith Number

pith:3RGR5HOC

pith:2019:3RGR5HOCYBX6DSJOAP34S4YZKV

not attested not anchored not stored refs pending

A Heuristic Algorithm for the Fabric Spreading and Cutting Problem in Apparel Factories

Dayong Shen, Fei-Yue Wang, Timo R. Nyberg, Xiuqin Shang

arxiv:1903.07557 v1 · 2019-03-13 · cs.AI · cs.DC · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3RGR5HOCYBX6DSJOAP34S4YZKV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:51:01.001958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc4d1e9dc2c06fe1c92e03f7c973195564b149455de053f8bc9ab0fa21c561d0

Aliases

arxiv: 1903.07557 · arxiv_version: 1903.07557v1 · doi: 10.48550/arxiv.1903.07557 · pith_short_12: 3RGR5HOCYBX6 · pith_short_16: 3RGR5HOCYBX6DSJO · pith_short_8: 3RGR5HOC

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/3RGR5HOCYBX6DSJOAP34S4YZKV \
  | 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: dc4d1e9dc2c06fe1c92e03f7c973195564b149455de053f8bc9ab0fa21c561d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27a0d45ab20362de4bf49af11083a45c29648fef4bdd6fd51a34916b01ca26d9",
    "cross_cats_sorted": [
      "cs.DC",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-03-13T07:51:27Z",
    "title_canon_sha256": "7e82ff249714fd6a4935f37b4d06bd5dd5349452416812dcf90d358bf04ff9ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07557",
    "kind": "arxiv",
    "version": 1
  }
}