Pith Number

pith:BYHCTZUP

pith:2021:BYHCTZUPVJWCHKRWTQEJNT4VDK

not attested not anchored not stored refs pending

Map completion from partial observation using the global structure of multiple environmental maps

Akinori Kanechika, Akira Taniguchi, Lotfi El Hafi, Tadahiro Taniguchi, Yoshinobu Hagiwara, Yuki Katsumata

arxiv:2103.09071 v2 · 2021-03-16 · cs.RO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYHCTZUPVJWCHKRWTQEJNT4VDK}

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	2026-07-05T03:48:40.101379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0e29e68faa6c23aa369c0896cf951a85ea8d4927bbfce4fba1bf7287289dc6

Aliases

arxiv: 2103.09071 · arxiv_version: 2103.09071v2 · doi: 10.48550/arxiv.2103.09071 · pith_short_12: BYHCTZUPVJWC · pith_short_16: BYHCTZUPVJWCHKRW · pith_short_8: BYHCTZUP

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/BYHCTZUPVJWCHKRWTQEJNT4VDK \
  | 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: 0e0e29e68faa6c23aa369c0896cf951a85ea8d4927bbfce4fba1bf7287289dc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa89e6fa43c2a1f1878b19e43b96028426ab26ce502e5590cb39fbd937120999",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-03-16T13:48:37Z",
    "title_canon_sha256": "5604dd191f117a1a0ed45504c061e4297161a52dbb8338a0fe5041f35d7a7251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09071",
    "kind": "arxiv",
    "version": 2
  }
}