Pith Number

pith:VW5W45KK

pith:2025:VW5W45KKAQFO2YBIKN3OXMTJ75

not attested not anchored not stored refs pending

Algorithmic Analysis of GTFS-RT vehicle position accuracy

Joshua Wong

arxiv:2506.06479 v1 · 2025-06-06 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VW5W45KKAQFO2YBIKN3OXMTJ75}

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	2026-07-05T11:17:50.875511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adbb6e754a040aed60285376ebb269ff5b40635a8860d8b8122d5554a4d8cf0e

Aliases

arxiv: 2506.06479 · arxiv_version: 2506.06479v1 · doi: 10.48550/arxiv.2506.06479 · pith_short_12: VW5W45KKAQFO · pith_short_16: VW5W45KKAQFO2YBI · pith_short_8: VW5W45KK

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/VW5W45KKAQFO2YBIKN3OXMTJ75 \
  | 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: adbb6e754a040aed60285376ebb269ff5b40635a8860d8b8122d5554a4d8cf0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6149953bab58dbf8c3b7c8187224a216e6fcedd89d03bf04427c6cdc1d3fea7b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2025-06-06T19:07:01Z",
    "title_canon_sha256": "add9b8052ccfd195668289848c7e8d49f611043f86ec3efd4123aa7b1eac9ca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06479",
    "kind": "arxiv",
    "version": 1
  }
}