Pith Number

pith:GPPZZZQQ

pith:1999:GPPZZZQQ6JZTXLC2MPOGB63KWN

not attested not anchored not stored refs pending

Motion Planning of Legged Robots

Jean-Daniel Boissonnat, Olivier Devillers, Sylvain Lazard

arxiv:cs/9909006 v1 · 1999-09-03 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPPZZZQQ6JZTXLC2MPOGB63KWN}

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	2026-05-18T00:58:26.461986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33df9ce610f2733bac5a63dc60fb6ab3441c2dcfc2a6b7cb0ce2c852584f2c29

Aliases

arxiv: cs/9909006 · arxiv_version: cs/9909006v1 · doi: 10.48550/arxiv.cs/9909006 · pith_short_12: GPPZZZQQ6JZT · pith_short_16: GPPZZZQQ6JZTXLC2 · pith_short_8: GPPZZZQQ

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/GPPZZZQQ6JZTXLC2MPOGB63KWN \
  | 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: 33df9ce610f2733bac5a63dc60fb6ab3441c2dcfc2a6b7cb0ce2c852584f2c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9da0d123d7f118147418c3f5f2343f4bdf18322aca5fcfb96b0f0bea09043b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CG",
    "submitted_at": "1999-09-03T16:18:49Z",
    "title_canon_sha256": "0f103d433a68987eea2efbca54aad96150d2a7235a3c8426f7219f4148aee3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/9909006",
    "kind": "arxiv",
    "version": 1
  }
}