Pith Number

pith:LWW2W4KL

pith:2011:LWW2W4KLEVYOU2AWKNBZ2N6QR3

not attested not anchored not stored refs pending

Chains of Kinematic Points

Avraham Feintuch, Bruce Francis

arxiv:1108.4191 v1 · 2011-08-21 · math.OC · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWW2W4KLEVYOU2AWKNBZ2N6QR3}

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	2026-05-18T04:14:55.980491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dadab714b2570ea681653439d37d08ecf9cd4725945099f680a1b87f6fd3aa0

Aliases

arxiv: 1108.4191 · arxiv_version: 1108.4191v1 · doi: 10.48550/arxiv.1108.4191 · pith_short_12: LWW2W4KLEVYO · pith_short_16: LWW2W4KLEVYOU2AW · pith_short_8: LWW2W4KL

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/LWW2W4KLEVYOU2AWKNBZ2N6QR3 \
  | 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: 5dadab714b2570ea681653439d37d08ecf9cd4725945099f680a1b87f6fd3aa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f87638bc318e6d6aa20413e05955a1fe8ced10fffc0489675e8d187f82fe0828",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-08-21T17:35:35Z",
    "title_canon_sha256": "1fe6ba41a5ec3a6486dd8edc1775a63dff33a383c051eb06457535cf0e560328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4191",
    "kind": "arxiv",
    "version": 1
  }
}