Pith Number

pith:NQOLG2AJ

pith:2019:NQOLG2AJTQRJGZUDISKMZA6F4Z

not attested not anchored not stored refs pending

A Force-Directed Approach for Offline GPS Trajectory Map Matching

Efstratios Rappos, Philippe Cudr\'e-Mauroux, Stephan Robert

arxiv:1903.12400 v1 · 2019-03-29 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQOLG2AJTQRJGZUDISKMZA6F4Z}

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	2026-05-17T23:49:54.159101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c1cb368099c229366834494cc83c5e679608d1a04c2cb1a765a1c54b98d6c73

Aliases

arxiv: 1903.12400 · arxiv_version: 1903.12400v1 · doi: 10.48550/arxiv.1903.12400 · pith_short_12: NQOLG2AJTQRJ · pith_short_16: NQOLG2AJTQRJGZUD · pith_short_8: NQOLG2AJ

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/NQOLG2AJTQRJGZUDISKMZA6F4Z \
  | 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: 6c1cb368099c229366834494cc83c5e679608d1a04c2cb1a765a1c54b98d6c73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71694e6e0aca3a7fa623ed14a83196856ee47c9183eacdecc9b086204809e81b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-03-29T08:58:41Z",
    "title_canon_sha256": "8273a16e2860967992cec3f7b56be68aac0462191a2e4cfe9b2239b2318b2f25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12400",
    "kind": "arxiv",
    "version": 1
  }
}