Pith Number

pith:5QWIXZBL

pith:2011:5QWIXZBLMSJJL6KMXOWDYMOLS7

not attested not anchored not stored refs pending

CTL Model Update for System Modifications

Yan Zhang, Y. Ding, Yulin Ding, Y. Zhang

arxiv:1111.0054 v1 · 2011-10-31 · cs.AI · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QWIXZBLMSJJL6KMXOWDYMOLS7}

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	2026-05-18T04:09:46.546200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec2c8be42b649295f94cbbac3c31cb97ebcfeb35f32f76ebef09ec7ee2d724ef

Aliases

arxiv: 1111.0054 · arxiv_version: 1111.0054v1 · doi: 10.48550/arxiv.1111.0054 · pith_short_12: 5QWIXZBLMSJJ · pith_short_16: 5QWIXZBLMSJJL6KM · pith_short_8: 5QWIXZBL

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/5QWIXZBLMSJJL6KMXOWDYMOLS7 \
  | 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: ec2c8be42b649295f94cbbac3c31cb97ebcfeb35f32f76ebef09ec7ee2d724ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558414a97a763ad4909321e75d3d7ded1e7d128ac4b8ca43b5b7a15e60d726ae",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-10-31T22:10:52Z",
    "title_canon_sha256": "999703f8f766c2408f0eccbed6f23faa8adfa9854f4b156b517f42cd5f62bebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0054",
    "kind": "arxiv",
    "version": 1
  }
}