Pith Number

pith:LKMP3BPU

pith:2007:LKMP3BPUISK65NRW2GBRNG3EX4

not attested not anchored not stored refs pending

Separable convex optimization problems with linear ascending constraints

Arun Padakandla, Rajesh Sundaresan

arxiv:0707.2265 v1 · 2007-07-16 · cs.IT · math.IT · 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{LKMP3BPUISK65NRW2GBRNG3EX4}

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	2026-05-18T04:17:13.891501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a98fd85f44495eeb636d183169b64bf2482d3274ad742895984c88647a28310

Aliases

arxiv: 0707.2265 · arxiv_version: 0707.2265v1 · doi: 10.48550/arxiv.0707.2265 · pith_short_12: LKMP3BPUISK6 · pith_short_16: LKMP3BPUISK65NRW · pith_short_8: LKMP3BPU

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/LKMP3BPUISK65NRW2GBRNG3EX4 \
  | 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: 5a98fd85f44495eeb636d183169b64bf2482d3274ad742895984c88647a28310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "158060329cf2d2b7bc9a7c94875f6712f3ebc7c2e05dc6bfdd17b263308ba091",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-07-16T06:23:38Z",
    "title_canon_sha256": "adb6e5a406ed8013ed8b2493978aa3ebff47ba87a334be6f562583cc1ef39b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.2265",
    "kind": "arxiv",
    "version": 1
  }
}