Pith Number

pith:C3B6KZ2V

pith:2018:C3B6KZ2VJ37O7SMCTV4O75UQKW

not attested not anchored not stored refs pending

Topological structure and a polynomial-time solution of linear programming over the real numbers

Jing-Yuan Wei

arxiv:1805.06342 v4 · 2018-05-16 · 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{C3B6KZ2VJ37O7SMCTV4O75UQKW}

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	2026-05-20T01:04:47.296524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c3e567554efeefc9829d78eff69055a1cd10d51cd254ca7da9dc9941aa7f80

Aliases

arxiv: 1805.06342 · arxiv_version: 1805.06342v4 · doi: 10.48550/arxiv.1805.06342 · pith_short_12: C3B6KZ2VJ37O · pith_short_16: C3B6KZ2VJ37O7SMC · pith_short_8: C3B6KZ2V

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/C3B6KZ2VJ37O7SMCTV4O75UQKW \
  | 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: 16c3e567554efeefc9829d78eff69055a1cd10d51cd254ca7da9dc9941aa7f80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "986390b3f642e46ebf68bc0ccd6b1f6b0485e658c9a34544f7a7d5357be67e1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-05-16T14:18:23Z",
    "title_canon_sha256": "11dae0b2b5103dce2e920b3756f0efe9fd8ea778d55ff14684316ce3d425d50c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06342",
    "kind": "arxiv",
    "version": 4
  }
}