Pith Number

pith:TQMZVFEJ

pith:2026:TQMZVFEJUMJ5T2QSMEAOAZERZ7

not attested not anchored not stored refs pending

Virginia Tech Transportation Safety Index (VTTSI)

Cheng-Shun Chuang, Jason Cusati

arxiv:2606.21154 v1 · 2026-06-19 · cs.CY · cs.SY · eess.SY · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQMZVFEJUMJ5T2QSMEAOAZERZ7}

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	2026-06-23T01:12:31.760279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c199a9489a313d9ea126100e06491cfd1d06ccc343bb86f78c41533c79f9be1

Aliases

arxiv: 2606.21154 · arxiv_version: 2606.21154v1 · doi: 10.48550/arxiv.2606.21154 · pith_short_12: TQMZVFEJUMJ5 · pith_short_16: TQMZVFEJUMJ5T2QS · pith_short_8: TQMZVFEJ

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/TQMZVFEJUMJ5T2QSMEAOAZERZ7 \
  | 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: 9c199a9489a313d9ea126100e06491cfd1d06ccc343bb86f78c41533c79f9be1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b33dc9227ce9d48824f9857c0a4304fae92686d3b96d785ad2ca6c42494647",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-06-19T06:46:16Z",
    "title_canon_sha256": "8167d9a26d671fa9b92797fcfafc1015a4d08ddfc170c1bf826b7a8e8be726c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21154",
    "kind": "arxiv",
    "version": 1
  }
}