Pith Number

pith:XO662A4Q

pith:2021:XO662A4Q5OBGSG4EICMW7CI4CB

not attested not anchored not stored refs pending

Pixel-level Extrinsic Self Calibration of High Resolution LiDAR and Camera in Targetless Environments

Chongjian Yuan, Fu Zhang, Xiaoping Hong, Xiyuan Liu

arxiv:2103.01627 v2 · 2021-03-02 · 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{XO662A4Q5OBGSG4EICMW7CI4CB}

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	2026-07-05T02:52:15.333677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbbded0390eb82691b8440996f891c105744c80987549da40d76e322fb690df9

Aliases

arxiv: 2103.01627 · arxiv_version: 2103.01627v2 · doi: 10.48550/arxiv.2103.01627 · pith_short_12: XO662A4Q5OBG · pith_short_16: XO662A4Q5OBGSG4E · pith_short_8: XO662A4Q

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/XO662A4Q5OBGSG4EICMW7CI4CB \
  | 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: bbbded0390eb82691b8440996f891c105744c80987549da40d76e322fb690df9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f79d0258739ed5ad87beb89d051bd4bb1dec4c19596c95f8ffe68bd1ab723274",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-03-02T10:38:28Z",
    "title_canon_sha256": "802a395178fb252c71143f39e2cfed48a41112a211601b20a9a5a2d8aa2a650b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01627",
    "kind": "arxiv",
    "version": 2
  }
}