Pith Number

pith:VPDBFE7W

pith:2022:VPDBFE7W5ZRZIPA2MV7ISHKBW4

not attested not anchored not stored refs pending

A Robot Web for Distributed Many-Device Localisation

Andrew J. Davison, Joseph Ortiz, Paul H.J. Kelly, Riku Murai, Sajad Saeedi

arxiv:2202.03314 v2 · 2022-02-07 · cs.RO · cs.AI · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPDBFE7W5ZRZIPA2MV7ISHKBW4}

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	2026-07-05T07:37:36.359891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abc61293f6ee63943c1a657e891d41b729636ea40b6b3f9565ddda3a0d3eb2d3

Aliases

arxiv: 2202.03314 · arxiv_version: 2202.03314v2 · doi: 10.48550/arxiv.2202.03314 · pith_short_12: VPDBFE7W5ZRZ · pith_short_16: VPDBFE7W5ZRZIPA2 · pith_short_8: VPDBFE7W

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/VPDBFE7W5ZRZIPA2MV7ISHKBW4 \
  | 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: abc61293f6ee63943c1a657e891d41b729636ea40b6b3f9565ddda3a0d3eb2d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03aeabe9b899fc5acfc0570ccb5286152567792cce90e1ecefece3d6bb7a9ebd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2022-02-07T16:00:25Z",
    "title_canon_sha256": "dee8449dda609baa53ba690b91e3b77f47b82d0894a1c7a25b5427bfd1d046fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.03314",
    "kind": "arxiv",
    "version": 2
  }
}