Pith Number

pith:55T4X6B7

pith:2013:55T4X6B7UCG4WLAOHWYRAG5UYV

not attested not anchored not stored refs pending

A Graphical Language for Real-Time Critical Robot Commands

Alwin Hoffmann, Andreas Angerer, Andreas Schierl, Michael Vistein, Remi Smirra, Wolfgang Reif

arxiv:1303.6777 v1 · 2013-03-27 · cs.RO · cs.PL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55T4X6B7UCG4WLAOHWYRAG5UYV}

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	2026-05-18T03:29:39.732414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef67cbf83fa08dcb2c0e3db1101bb4c55843f837208e3fb0470c39adec686c2a

Aliases

arxiv: 1303.6777 · arxiv_version: 1303.6777v1 · doi: 10.48550/arxiv.1303.6777 · pith_short_12: 55T4X6B7UCG4 · pith_short_16: 55T4X6B7UCG4WLAO · pith_short_8: 55T4X6B7

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/55T4X6B7UCG4WLAOHWYRAG5UYV \
  | 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: ef67cbf83fa08dcb2c0e3db1101bb4c55843f837208e3fb0470c39adec686c2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8636ba8f003019f63a63bbe043703f528716dcde650e6fec3867ff9981a68f2e",
    "cross_cats_sorted": [
      "cs.PL",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2013-03-27T10:14:44Z",
    "title_canon_sha256": "a906ea0a84b99fea38155567a77826ef6906828e6af54f35bbb0da24286841e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6777",
    "kind": "arxiv",
    "version": 1
  }
}