Pith Number

pith:42QPBJM4

pith:2024:42QPBJM4ZCX42D5X7UDRTRX2AV

not attested not anchored not stored refs pending

Towards introspective loop closure in 4D radar SLAM

Achim J. Lilienthal, Daniel Adolfsson, Henrik Andreasson, Maximilian Hilger, Vladim\'ir Kubelka

arxiv:2404.03940 v1 · 2024-04-05 · 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{42QPBJM4ZCX42D5X7UDRTRX2AV}

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	2026-07-05T08:04:43.257239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a0f0a59cc8afcd0fb7fd0719c6fa056801f19752f4ba8410b410a9f561f891

Aliases

arxiv: 2404.03940 · arxiv_version: 2404.03940v1 · doi: 10.48550/arxiv.2404.03940 · pith_short_12: 42QPBJM4ZCX4 · pith_short_16: 42QPBJM4ZCX42D5X · pith_short_8: 42QPBJM4

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/42QPBJM4ZCX42D5X7UDRTRX2AV \
  | 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: e6a0f0a59cc8afcd0fb7fd0719c6fa056801f19752f4ba8410b410a9f561f891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e599cf17f867db72a3f2076266aef6636d3d2d33574318e30b0c7b7fa53c431f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2024-04-05T08:12:16Z",
    "title_canon_sha256": "7e5d7fd099d1dd6029834922fa3a6df642242d8a86f71b08aa6c8c1444aca545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.03940",
    "kind": "arxiv",
    "version": 1
  }
}