Pith Number

pith:6JIT5ZFK

pith:2019:6JIT5ZFK7LZJYNHVGMOGMODKRN

not attested not anchored not stored refs pending

A New Approach to 3D ICP Covariance Estimation

Axel Barrau, Martin Brossard (CAOR), Silvere Bonnabel

arxiv:1909.05722 v2 · 2019-09-12 · 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{6JIT5ZFK7LZJYNHVGMOGMODKRN}

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	2026-07-05T01:19:24.947252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2513ee4aafaf29c34f5331c66386a8b44d2e01cf7f1dc2815d5b62defaf6d00

Aliases

arxiv: 1909.05722 · arxiv_version: 1909.05722v2 · doi: 10.48550/arxiv.1909.05722 · pith_short_12: 6JIT5ZFK7LZJ · pith_short_16: 6JIT5ZFK7LZJYNHV · pith_short_8: 6JIT5ZFK

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/6JIT5ZFK7LZJYNHVGMOGMODKRN \
  | 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: f2513ee4aafaf29c34f5331c66386a8b44d2e01cf7f1dc2815d5b62defaf6d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347dbb9fa81512325128aad7e45e43badcd585ddb801a954b79bdb1da680b2f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-09-12T14:39:29Z",
    "title_canon_sha256": "f7a2ba61782c232885beabf65a0772712a25e9e82676a9470db3df1177faaa5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05722",
    "kind": "arxiv",
    "version": 2
  }
}