Pith Number

pith:7X7ESATH

pith:2018:7X7ESATHVBT7E7BX5QJCHDGPJ7

not attested not anchored not stored refs pending

Report for the Edinburgh Tram Inquiry

Alexander Budzier, Bent Flyvbjerg

arxiv:1805.12106 v1 · 2018-04-02 · q-fin.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7X7ESATHVBT7E7BX5QJCHDGPJ7}

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	2026-05-18T00:14:35.176742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdfe490267a867f27c37ec12238ccf4ffc3d7c6e7c10ad14f2353a3fb37f2b19

Aliases

arxiv: 1805.12106 · arxiv_version: 1805.12106v1 · doi: 10.48550/arxiv.1805.12106 · pith_short_12: 7X7ESATHVBT7 · pith_short_16: 7X7ESATHVBT7E7BX · pith_short_8: 7X7ESATH

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/7X7ESATHVBT7E7BX5QJCHDGPJ7 \
  | 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: fdfe490267a867f27c37ec12238ccf4ffc3d7c6e7c10ad14f2353a3fb37f2b19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9927a548b3db5022a580a15dc568167d5a5ef980efecf780f442dcc5b923c83a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2018-04-02T19:10:03Z",
    "title_canon_sha256": "d4adae58ebfb175c62d4e6c54d620444b64d54c149dee750ed47d6f6cbaa45a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12106",
    "kind": "arxiv",
    "version": 1
  }
}