Pith Number

pith:RQDX6FW2

pith:2014:RQDX6FW2OJNRH33WQ7LVN7SCCA

not attested not anchored not stored refs pending

Optimal Layout of Transshipment Facilities on An Infinite Homogeneous Plane

Weijun Xie, Yanfeng Ouyang

arxiv:1401.2415 v2 · 2014-01-10 · 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{RQDX6FW2OJNRH33WQ7LVN7SCCA}

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	2026-05-18T02:43:00.660866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c077f16da725b13ef7687d756fe42102db4e1d7f4238a876c0d9c591f08f498

Aliases

arxiv: 1401.2415 · arxiv_version: 1401.2415v2 · doi: 10.48550/arxiv.1401.2415 · pith_short_12: RQDX6FW2OJNR · pith_short_16: RQDX6FW2OJNRH33W · pith_short_8: RQDX6FW2

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/RQDX6FW2OJNRH33WQ7LVN7SCCA \
  | 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: 8c077f16da725b13ef7687d756fe42102db4e1d7f4238a876c0d9c591f08f498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d973d8e7f82a4aac537b1141cd23581f792bfbc1c70bf1ffe2514ccc4160af5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-10T17:54:02Z",
    "title_canon_sha256": "770cc30be96cc89688901a2bd3a2e218a1ba3717a777a413c582f072c8db58b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2415",
    "kind": "arxiv",
    "version": 2
  }
}