Pith Number

pith:GG4NNVSD

pith:2017:GG4NNVSDTPSXZUA27VLOERVPGH

not attested not anchored not stored refs pending

The Location-Allocation Model for Multi-Classification-Yard Location Problem in a Railway Network

Boliang Lin

arxiv:1710.04426 v1 · 2017-10-12 · 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{GG4NNVSDTPSXZUA27VLOERVPGH}

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	2026-05-18T00:33:01.075404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31b8d6d6439be57cd01afd56e246af31ffabcf612e1813264b598410afc18814

Aliases

arxiv: 1710.04426 · arxiv_version: 1710.04426v1 · doi: 10.48550/arxiv.1710.04426 · pith_short_12: GG4NNVSDTPSX · pith_short_16: GG4NNVSDTPSXZUA2 · pith_short_8: GG4NNVSD

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/GG4NNVSDTPSXZUA27VLOERVPGH \
  | 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: 31b8d6d6439be57cd01afd56e246af31ffabcf612e1813264b598410afc18814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "050ba1debe731fd7cae547d9e287cd123f94f228799a6d55f8b1666e946c5d23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-10-12T09:46:57Z",
    "title_canon_sha256": "d67babf2ffe17dd985bb5985f23c0cf83c2ff27477b165e5df44531c3d3fb852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04426",
    "kind": "arxiv",
    "version": 1
  }
}