Pith Number

pith:3G5PXKKK

pith:2012:3G5PXKKKNBFW24FBFYRTVEAOIH

not attested not anchored not stored refs pending

Piecewise Linear Topology, Evolutionary Algorithms, and Optimization Problems

Andrew Clark

arxiv:1206.6722 v1 · 2012-06-28 · cs.NE · math.GN · 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{3G5PXKKKNBFW24FBFYRTVEAOIH}

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	2026-05-18T03:52:25.179394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9bafba94a684b6d70a12e233a900e41d1a0f6dff7e8651f2a90a4e05fe77ae9

Aliases

arxiv: 1206.6722 · arxiv_version: 1206.6722v1 · doi: 10.48550/arxiv.1206.6722 · pith_short_12: 3G5PXKKKNBFW · pith_short_16: 3G5PXKKKNBFW24FB · pith_short_8: 3G5PXKKK

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/3G5PXKKKNBFW24FBFYRTVEAOIH \
  | 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: d9bafba94a684b6d70a12e233a900e41d1a0f6dff7e8651f2a90a4e05fe77ae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "844b0aad9c18f6ae6a2b0a9a739dff1edf1fe5e99e24a7b0b41c25e685c18f48",
    "cross_cats_sorted": [
      "math.GN",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2012-06-28T15:13:37Z",
    "title_canon_sha256": "199d01d31d0a8968a813b7fdaafd6bbc173295ab1cf9bdc46cb1acc4593b6bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6722",
    "kind": "arxiv",
    "version": 1
  }
}