Pith Number

pith:7RH7QQS7

pith:2022:7RH7QQS7EDXE67NL7A3NVCQY4E

not attested not anchored not stored refs pending

A Map-matching Algorithm with Extraction of Multi-group Information for Low-frequency Data

DianChao Lin, Huahua Wu, Jie Fang, Mengyun Xu, Ting Bi, Xiongwei Wu, Xuesong Wu

arxiv:2209.08500 v1 · 2022-09-18 · eess.SY · cs.LG · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7RH7QQS7EDXE67NL7A3NVCQY4E}

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	2026-07-05T04:58:42.196712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc4ff8425f20ee4f7dabf836da8a18e10b4289b68325534beec30c30d94ecbcf

Aliases

arxiv: 2209.08500 · arxiv_version: 2209.08500v1 · doi: 10.48550/arxiv.2209.08500 · pith_short_12: 7RH7QQS7EDXE · pith_short_16: 7RH7QQS7EDXE67NL · pith_short_8: 7RH7QQS7

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/7RH7QQS7EDXE67NL7A3NVCQY4E \
  | 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: fc4ff8425f20ee4f7dabf836da8a18e10b4289b68325534beec30c30d94ecbcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28d1c44f077f000b1f89a00e1d288778806372f63f05f76b146eb6127cce8b46",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2022-09-18T08:09:17Z",
    "title_canon_sha256": "164a3880d87dd68d82196f4882cf3ad89c3e6d732099bdd203e4e1c2f518f37e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.08500",
    "kind": "arxiv",
    "version": 1
  }
}