Pith Number

pith:WCBRIRFV

pith:2018:WCBRIRFVTKORCBWZME6DAPNZWN

not attested not anchored not stored refs pending

LoopSmart: Smart Visual SLAM Through Surface Loop Closure

Guoxiang Zhang, YangQuan Chen

arxiv:1801.01572 v1 · 2018-01-04 · 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{WCBRIRFVTKORCBWZME6DAPNZWN}

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	2026-05-18T00:26:41.786095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0831444b59a9d1106d9613c303db9b34a1b1ea8a88b0bd4fa11c1888f5844ac

Aliases

arxiv: 1801.01572 · arxiv_version: 1801.01572v1 · doi: 10.48550/arxiv.1801.01572 · pith_short_12: WCBRIRFVTKOR · pith_short_16: WCBRIRFVTKORCBWZ · pith_short_8: WCBRIRFV

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/WCBRIRFVTKORCBWZME6DAPNZWN \
  | 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: b0831444b59a9d1106d9613c303db9b34a1b1ea8a88b0bd4fa11c1888f5844ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25aaa754208c5e26911be6f8cb3f3ad6131ce345f04b3fa91398ed275a105917",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-04T22:53:07Z",
    "title_canon_sha256": "5a0677d5a492755b9784848dd6f4e46ce20c3f00b03ce37116065cff847a19c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01572",
    "kind": "arxiv",
    "version": 1
  }
}