Pith Number

pith:N5QRTM45

pith:2015:N5QRTM45R777PZJULGO2FIIGZF

not attested not anchored not stored refs pending

Planar Linkages Following a Prescribed Motion

Christoph Koutschan, Georg Regensburger, Josef Schicho, Matteo Gallet, Nelly Villamizar, Zijia Li

arxiv:1502.05623 v2 · 2015-02-19 · cs.SC · cs.CG · cs.RO · math.AG · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5QRTM45R777PZJULGO2FIIGZF}

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	2026-05-18T01:02:05.226648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f6119b39d8ffff7e534599da2a106c9640b2ea7e13b2821389c9a3cc389949d

Aliases

arxiv: 1502.05623 · arxiv_version: 1502.05623v2 · doi: 10.48550/arxiv.1502.05623 · pith_short_12: N5QRTM45R777 · pith_short_16: N5QRTM45R777PZJU · pith_short_8: N5QRTM45

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/N5QRTM45R777PZJULGO2FIIGZF \
  | 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: 6f6119b39d8ffff7e534599da2a106c9640b2ea7e13b2821389c9a3cc389949d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f59d9d1b360923d43b3d032834867c106700ec07b7df1e136833b53ff729d31",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.RO",
      "math.AG",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2015-02-19T16:52:41Z",
    "title_canon_sha256": "cae8053d119eb7848e8c5845a70d26cc6ae56639428ce61363d38c60d84189dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05623",
    "kind": "arxiv",
    "version": 2
  }
}