Pith Number

pith:M7SNTJW4

pith:2023:M7SNTJW4JSGMZGVTOLAONDPZRV

not attested not anchored not stored refs pending

Formal Verification of Robotic Contact Tasks via Reachability Analysis

Chencheng Tang, Matthias Althoff

arxiv:2307.13977 v1 · 2023-07-26 · cs.RO · cs.SY · eess.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{M7SNTJW4JSGMZGVTOLAONDPZRV}

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	2026-07-05T07:16:44.460724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e4d9a6dc4c8ccc9ab372c0e68df98d5cc35b2dbe4fec3926a1a6814b5bde59

Aliases

arxiv: 2307.13977 · arxiv_version: 2307.13977v1 · doi: 10.48550/arxiv.2307.13977 · pith_short_12: M7SNTJW4JSGM · pith_short_16: M7SNTJW4JSGMZGVT · pith_short_8: M7SNTJW4

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/M7SNTJW4JSGMZGVTOLAONDPZRV \
  | 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: 67e4d9a6dc4c8ccc9ab372c0e68df98d5cc35b2dbe4fec3926a1a6814b5bde59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb370be0b3dad3c1f399b22c9a5cfe40ea365c16f4e4df677ccfefcd2d1ac47b",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2023-07-26T06:29:57Z",
    "title_canon_sha256": "077fda9ba8094acf4beb3384f85eb4ab5708213675c56e24b2d158926b71eb1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.13977",
    "kind": "arxiv",
    "version": 1
  }
}