Pith Number

pith:5KVOYCZP

pith:2019:5KVOYCZPZJKBFP65N2W5VDICDN

not attested not anchored not stored refs pending

Solving Heated Oil Pipeline Problems Via Mixed Integer Nonlinear Programming Approach

Bo Li, Muming Yang, Yakui Huang, Yu-Hong Dai

arxiv:1907.10812 v1 · 2019-07-25 · math.OC

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-17T23:39:34.425053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaaaec0b2fca5412bfdd6eadda8d021b55ae81d0321ae07f8784ef994d8e14cb

Aliases

arxiv: 1907.10812 · arxiv_version: 1907.10812v1 · doi: 10.48550/arxiv.1907.10812

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/5KVOYCZPZJKBFP65N2W5VDICDN \
  | 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: eaaaec0b2fca5412bfdd6eadda8d021b55ae81d0321ae07f8784ef994d8e14cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8feaaa23f1bda28e031d4eb6ec6c25bbd854f276a50eb50636f71c905308ff97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-07-25T03:09:51Z",
    "title_canon_sha256": "a6642d49c9d1c53934e2e9653ba87e232a278aecc7498fb5267fccf69ec69af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10812",
    "kind": "arxiv",
    "version": 1
  }
}