Pith Number

pith:K764MIPT

pith:2021:K764MIPTQEJVKP75XWPFKWRMVW

not attested not anchored not stored refs pending

Physarum Inspired Dynamics to Solve Semi-Definite Programs

Andreas Karrenbauer, Hamidreza Kamkari, Kurt Mehlhorn, Mohammadamin Sharifi, Yuan Gao

arxiv:2111.02291 v3 · 2021-11-03 · cs.DS · 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{K764MIPTQEJVKP75XWPFKWRMVW}

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	2026-07-05T04:40:47.453201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57fdc621f38113553ffdbd9e555a2cadbd2e1b74f7d7fef4bd0af7e4f84d0756

Aliases

arxiv: 2111.02291 · arxiv_version: 2111.02291v3 · doi: 10.48550/arxiv.2111.02291 · pith_short_12: K764MIPTQEJV · pith_short_16: K764MIPTQEJVKP75 · pith_short_8: K764MIPT

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/K764MIPTQEJVKP75XWPFKWRMVW \
  | 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: 57fdc621f38113553ffdbd9e555a2cadbd2e1b74f7d7fef4bd0af7e4f84d0756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07bfbbbbec5589398c6bf2a542d66d207c24864f6c2576544d4cab3d0fb02f60",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-11-03T15:23:31Z",
    "title_canon_sha256": "60b2212542e97bb90bd9bc16599ab575783e1e11dc96c2195caa9ab563775b1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02291",
    "kind": "arxiv",
    "version": 3
  }
}