Pith Number

pith:7WVTJ5SO

pith:2026:7WVTJ5SOVKJDOJBB3NTA5QVBKA

not attested not anchored not stored refs pending

Route Based Map Matching via a Structured Codebook and Token Sequence Decoding

Takara Sakai

arxiv:2607.22543 v1 · 2026-04-30 · math.OC · cs.IR · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WVTJ5SOVKJDOJBB3NTA5QVBKA}

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	2026-07-28T00:21:41.347119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdab34f64eaa92372421db660ec2a1503c54164470fe5a8fdd32146bbff45942

Aliases

arxiv: 2607.22543 · arxiv_version: 2607.22543v1 · doi: 10.48550/arxiv.2607.22543 · pith_short_12: 7WVTJ5SOVKJD · pith_short_16: 7WVTJ5SOVKJDOJBB · pith_short_8: 7WVTJ5SO

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/7WVTJ5SOVKJDOJBB3NTA5QVBKA \
  | 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: fdab34f64eaa92372421db660ec2a1503c54164470fe5a8fdd32146bbff45942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72efd0a5377eff54e68b4e62b625aaaeaf8d24a46d627b8605e074e362d9039c",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.NI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-04-30T07:36:53Z",
    "title_canon_sha256": "0b45f9038c04fd9fc226b8d82f1a05786d641eb04ec90164784d6ee8ab579791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22543",
    "kind": "arxiv",
    "version": 1
  }
}