Pith Number

pith:UVQSYW4D

pith:2018:UVQSYW4D3D5YD4Y6C6AHKCSEOU

not attested not anchored not stored refs pending

Generalized weak rigidity: Theory, and local and global convergence of formations

Hyo-Sung Ahn, Seong-Ho Kwon

arxiv:1809.02562 v4 · 2018-09-07 · eess.SY · 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{UVQSYW4D3D5YD4Y6C6AHKCSEOU}

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	2026-06-04T20:13:18.301082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5612c5b83d8fb81f31e1780750a447539b1b40a16dff1e7c7e4909e9b63476b

Aliases

arxiv: 1809.02562 · arxiv_version: 1809.02562v4 · doi: 10.48550/arxiv.1809.02562 · pith_short_12: UVQSYW4D3D5Y · pith_short_16: UVQSYW4D3D5YD4Y6 · pith_short_8: UVQSYW4D

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/UVQSYW4D3D5YD4Y6C6AHKCSEOU \
  | 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: a5612c5b83d8fb81f31e1780750a447539b1b40a16dff1e7c7e4909e9b63476b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5f4956c8f6ee170481d1dd32602ce4f18630c211b009a4cd73f7cb33355d9bc",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2018-09-07T16:11:21Z",
    "title_canon_sha256": "d575c48e6efde057276a3f6e34bb93b14152b538a00f3b64d44592fb161f1829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02562",
    "kind": "arxiv",
    "version": 4
  }
}