Pith Number

pith:NPAY2R5Z

pith:2019:NPAY2R5ZVDPKBTGCVMHTCYJSDV

not attested not anchored not stored refs pending

Fast 2D Map Matching Based on Area Graphs

Haofei Kuang, Jiawei Hou, S\"oren Schwertfeger

arxiv:1911.07432 v1 · 2019-11-18 · 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{NPAY2R5ZVDPKBTGCVMHTCYJSDV}

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	2026-07-05T00:20:03.858709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc18d47b9a8dea0ccc2ab0f3161321d5b3d51ec89f543a708fbfea46a89d3bc

Aliases

arxiv: 1911.07432 · arxiv_version: 1911.07432v1 · doi: 10.48550/arxiv.1911.07432 · pith_short_12: NPAY2R5ZVDPK · pith_short_16: NPAY2R5ZVDPKBTGC · pith_short_8: NPAY2R5Z

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/NPAY2R5ZVDPKBTGCVMHTCYJSDV \
  | 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: 6bc18d47b9a8dea0ccc2ab0f3161321d5b3d51ec89f543a708fbfea46a89d3bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4b8dff37da7d70be44550aab6a1f11fef20544a31580c72e7a285315377a3ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-11-18T05:21:33Z",
    "title_canon_sha256": "a121508c07fd46f5cbd904e5d5a5c6c5763abb2b65dc603dfbf7ed4b368ef2e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.07432",
    "kind": "arxiv",
    "version": 1
  }
}