Pith Number

pith:DUPJONQH

pith:2018:DUPJONQHTIMIFG2EXO2CBE4XJ5

not attested not anchored not stored refs pending

Network Flows that Solve Least Squares for Linear Equations

Brian D. O. Anderson, Guodong Shi, Yang Liu, Youcheng Lou

arxiv:1808.04140 v1 · 2018-08-13 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUPJONQHTIMIFG2EXO2CBE4XJ5}

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	2026-05-18T00:08:18.763644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d1e9736079a18829b44bbb42093974f7c93e56b298bdcad5167eab20e347cbe

Aliases

arxiv: 1808.04140 · arxiv_version: 1808.04140v1 · doi: 10.48550/arxiv.1808.04140 · pith_short_12: DUPJONQHTIMI · pith_short_16: DUPJONQHTIMIFG2E · pith_short_8: DUPJONQH

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/DUPJONQHTIMIFG2EXO2CBE4XJ5 \
  | 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: 1d1e9736079a18829b44bbb42093974f7c93e56b298bdcad5167eab20e347cbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b445ce89642b15a26e665da3745fd2b35950165916e0063fe7ffb5e894efbe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-08-13T10:31:53Z",
    "title_canon_sha256": "9d47e0daf91f09057f1f842a9fccf112a9ac5e0b36c95bdd70213b6624d6275c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04140",
    "kind": "arxiv",
    "version": 1
  }
}