Pith Number

pith:WVGIXEJO

pith:2021:WVGIXEJOEV5B3DDQBI6XBL34ID

not attested not anchored not stored refs pending

Robot to support older people to live independently

Francesco Ferro, Luca Marchionni, \'Oscar Villaca\~nas, Sara Cooper

arxiv:2104.07799 v1 · 2021-04-15 · 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{WVGIXEJOEV5B3DDQBI6XBL34ID}

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	2026-07-05T02:32:37.793711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b54c8b912e257a1d8c700a3d70af7c40c529c584d3da88ed08e3d0d5ed9a2689

Aliases

arxiv: 2104.07799 · arxiv_version: 2104.07799v1 · doi: 10.48550/arxiv.2104.07799 · pith_short_12: WVGIXEJOEV5B · pith_short_16: WVGIXEJOEV5B3DDQ · pith_short_8: WVGIXEJO

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/WVGIXEJOEV5B3DDQBI6XBL34ID \
  | 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: b54c8b912e257a1d8c700a3d70af7c40c529c584d3da88ed08e3d0d5ed9a2689

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eee01313546816e0f1ef07c6ffb3686e09436ec1533c73f6be04db9a758f01b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-04-15T22:11:14Z",
    "title_canon_sha256": "7f8b0a41aae6eeb268a710502bbbc1abb45653205e6eb603d93750767622888b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07799",
    "kind": "arxiv",
    "version": 1
  }
}