Pith Number

pith:KTTM5FDZ

pith:2026:KTTM5FDZNI6HNYPI536QOB2DBW

not attested not anchored not stored refs pending

An Open-Source Tool for Reproducible Freeway Network Extraction from OpenStreetMap

Cathy Wu, Drew Miller

arxiv:2606.31857 v1 · 2026-06-30 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTTM5FDZNI6HNYPI536QOB2DBW}

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	2026-07-01T01:18:17.703691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54e6ce94796a3c76e1e8eefd0707430d9206c7a7f7dd2d5f9dce5821f8637d31

Aliases

arxiv: 2606.31857 · arxiv_version: 2606.31857v1 · doi: 10.48550/arxiv.2606.31857 · pith_short_12: KTTM5FDZNI6H · pith_short_16: KTTM5FDZNI6HNYPI · pith_short_8: KTTM5FDZ

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/KTTM5FDZNI6HNYPI536QOB2DBW \
  | 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: 54e6ce94796a3c76e1e8eefd0707430d9206c7a7f7dd2d5f9dce5821f8637d31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a35a15855ae305bfdb01a7f8e98465df137863322913b92e4dbea2497e378a54",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-30T15:53:18Z",
    "title_canon_sha256": "9f00b9908c359b75cc73f5f83604eee30735ef81fb10e48b5f652315e77938d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31857",
    "kind": "arxiv",
    "version": 1
  }
}