Pith Number

pith:DT7VSWGT

pith:2021:DT7VSWGTHFQZN2C4M24YMSJ2WO

not attested not anchored not stored refs pending

Improved Signed Distance Function for 2D Real-time SLAM and Accurate Localization

Xiao Liu, Xingyin Fu, Xizhen Xiao, Yijia He, Zheng Fang

arxiv:2101.08018 v1 · 2021-01-20 · cs.RO · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DT7VSWGTHFQZN2C4M24YMSJ2WO}

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	2026-07-05T02:08:24.569226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cff5958d3396196e85c66b986493ab3a0745058bdb976bdc8f3b98b61560972

Aliases

arxiv: 2101.08018 · arxiv_version: 2101.08018v1 · doi: 10.48550/arxiv.2101.08018 · pith_short_12: DT7VSWGTHFQZ · pith_short_16: DT7VSWGTHFQZN2C4 · pith_short_8: DT7VSWGT

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/DT7VSWGTHFQZN2C4M24YMSJ2WO \
  | 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: 1cff5958d3396196e85c66b986493ab3a0745058bdb976bdc8f3b98b61560972

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fd883bed5f608583d9867fb3d044fdc7b94748de8bc61ab51b80b5394330d88",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-01-20T08:28:19Z",
    "title_canon_sha256": "0c7501010dd280633b5cfd11d43dedee29291dd88a07b9769f168591594a996a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08018",
    "kind": "arxiv",
    "version": 1
  }
}