Pith Number

pith:JKDQYDTB

pith:2008:JKDQYDTBEIOXGRWHVBY4X6PH6C

not attested not anchored not stored refs pending

A gradient system on the quantum information space that realizes the Karmarkar flow for linear programming

Hiromi Yuya, Yoshio Uwano

arxiv:0807.4053 v1 · 2008-07-25 · math.DS · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JKDQYDTBEIOXGRWHVBY4X6PH6C}

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	2026-05-18T04:38:48.734374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a870c0e61221d7346c7a871cbf9e7f08b538be50c29bab7d06a4c4cb19ee9ba

Aliases

arxiv: 0807.4053 · arxiv_version: 0807.4053v1 · doi: 10.48550/arxiv.0807.4053 · pith_short_12: JKDQYDTBEIOX · pith_short_16: JKDQYDTBEIOXGRWH · pith_short_8: JKDQYDTB

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/JKDQYDTBEIOXGRWHVBY4X6PH6C \
  | 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: 4a870c0e61221d7346c7a871cbf9e7f08b538be50c29bab7d06a4c4cb19ee9ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf607862d14a60035c13a5c400b17aa57aa50707f2ea08d31ad91266913bf1d3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2008-07-25T10:41:11Z",
    "title_canon_sha256": "ae0237323d0d8125fb8d6c450ebb45f6d5ede7bf57b3c308356a2a8ac429db03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4053",
    "kind": "arxiv",
    "version": 1
  }
}