Pith Number

pith:SAWFODNU

pith:2013:SAWFODNU3MNXLEW4WQGQGQGZNL

not attested not anchored not stored refs pending

Exponential and power laws in public procurement markets

Jiri Skuhrovec, Ladislav Kristoufek

arxiv:1309.0218 v1 · 2013-09-01 · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAWFODNU3MNXLEW4WQGQGQGZNL}

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	2026-05-18T03:14:28.552072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

902c570db4db1b7592dcb40d0340d96ae09940cf1e96ed31176f1a0b312570f8

Aliases

arxiv: 1309.0218 · arxiv_version: 1309.0218v1 · doi: 10.48550/arxiv.1309.0218 · pith_short_12: SAWFODNU3MNX · pith_short_16: SAWFODNU3MNXLEW4 · pith_short_8: SAWFODNU

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/SAWFODNU3MNXLEW4WQGQGQGZNL \
  | 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: 902c570db4db1b7592dcb40d0340d96ae09940cf1e96ed31176f1a0b312570f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8d30dd385d8130c72a692556139fecde8b7789a59a668ea14617f1473a8edc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2013-09-01T13:35:48Z",
    "title_canon_sha256": "1d1aefd82f347ea76b80e75cdddedc845034a371be4b859fd2218e9ce3ca5491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0218",
    "kind": "arxiv",
    "version": 1
  }
}