Pith Number

pith:LQHWINCY

pith:2023:LQHWINCY5O7FJGYYWECI2TUQJP

not attested not anchored not stored refs pending

Understanding URDF: A Survey Based on User Experience

Daniella Tola, Peter Corke

arxiv:2302.13442 v2 · 2023-02-26 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQHWINCY5O7FJGYYWECI2TUQJP}

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	2026-07-05T05:50:14.046219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c0f643458ebbe549b18b1048d4e904bde23d2a74251505153bc2beefa781472

Aliases

arxiv: 2302.13442 · arxiv_version: 2302.13442v2 · doi: 10.48550/arxiv.2302.13442 · pith_short_12: LQHWINCY5O7F · pith_short_16: LQHWINCY5O7FJGYY · pith_short_8: LQHWINCY

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/LQHWINCY5O7FJGYYWECI2TUQJP \
  | 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: 5c0f643458ebbe549b18b1048d4e904bde23d2a74251505153bc2beefa781472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60a3586f47f6a9c4257357678d85abcd46aec838447eed237473eb946e9066b2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2023-02-26T23:51:28Z",
    "title_canon_sha256": "4957de41c6bd8f9b19af83d7537aa74ce4b51f71469b5f539a48bd3493c8e27a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.13442",
    "kind": "arxiv",
    "version": 2
  }
}