Pith Number

pith:72227M5U

pith:2025:72227M5USCZ44UWGAO5NYLSS3H

not attested not anchored not stored refs pending

The Effect of the Gotthard Base Tunnel on Road Traffic: A Synthetic Control Approach

Ann Hesse, Hannes Wallimann, Widar von Arx

arxiv:2505.21129 v2 · 2025-05-27 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72227M5USCZ44UWGAO5NYLSS3H}

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	2026-07-05T11:23:28.736906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb5afb3b490b3ce52c603badc2e52d9ccaef356b229a1f0a1c050069c9cfce8

Aliases

arxiv: 2505.21129 · arxiv_version: 2505.21129v2 · doi: 10.48550/arxiv.2505.21129 · pith_short_12: 72227M5USCZ4 · pith_short_16: 72227M5USCZ44UWG · pith_short_8: 72227M5U

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/72227M5USCZ44UWGAO5NYLSS3H \
  | 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: feb5afb3b490b3ce52c603badc2e52d9ccaef356b229a1f0a1c050069c9cfce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcbc825cf43dea876b178832d30ed452c1ae8fdcd4fe0592b01ca1980a7d31c0",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2025-05-27T12:45:45Z",
    "title_canon_sha256": "45c5ffb72de9cc53bfd4911cfb708e548404d704b373ce807938e25c9e68596f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21129",
    "kind": "arxiv",
    "version": 2
  }
}