Pith Number

pith:K5TLVNMJ

pith:2013:K5TLVNMJMZGRATE6XPULN72HU3

not attested not anchored not stored refs pending

Megaprojects and Risk: An Anatomy of Ambition

Bent Flyvbjerg, Nils Bruzelius, Werner Rothengatter

arxiv:1303.7404 v1 · 2013-03-28 · 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{K5TLVNMJMZGRATE6XPULN72HU3}

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	2026-05-18T03:29:28.521182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5766bab589664d104c9ebbe8b6ff47a6f4b9d25f23aba078e0b99966d9f4cc81

Aliases

arxiv: 1303.7404 · arxiv_version: 1303.7404v1 · doi: 10.48550/arxiv.1303.7404 · pith_short_12: K5TLVNMJMZGR · pith_short_16: K5TLVNMJMZGRATE6 · pith_short_8: K5TLVNMJ

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/K5TLVNMJMZGRATE6XPULN72HU3 \
  | 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: 5766bab589664d104c9ebbe8b6ff47a6f4b9d25f23aba078e0b99966d9f4cc81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3439c089f80c8d7d52da232bde30d95be94711ed1a0ff9bedf209a1381e8c3f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2013-03-28T10:29:04Z",
    "title_canon_sha256": "9b669e039f6ef273915e85fc0b6e65734487231463d3f328dd59f1147cb79b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7404",
    "kind": "arxiv",
    "version": 1
  }
}