Pith Number

pith:NACQJERZ

pith:2020:NACQJERZYBB4JB6W5JA736L6WF

not attested not anchored not stored refs pending

A Case for a Currencyless Economy Based on Bartering with Smart Contracts

Carlos Molina-Jimenez, Hazem Danny Al Nakib, Ioannis Sfyrakis, Jon Crowcroft, Linmao Song

arxiv:2010.07013 v1 · 2020-10-08 · cs.CY · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NACQJERZYBB4JB6W5JA736L6WF}

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	2026-07-05T01:43:01.862379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6805049239c043c487d6ea41fdf97eb179de9b9e6181f37df66a51900c3b44bf

Aliases

arxiv: 2010.07013 · arxiv_version: 2010.07013v1 · doi: 10.48550/arxiv.2010.07013 · pith_short_12: NACQJERZYBB4 · pith_short_16: NACQJERZYBB4JB6W · pith_short_8: NACQJERZ

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/NACQJERZYBB4JB6W5JA736L6WF \
  | 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: 6805049239c043c487d6ea41fdf97eb179de9b9e6181f37df66a51900c3b44bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ac69461e1ecbedd61c3301b96726d27ca80671538c8dabdb91d5e20fc61160",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-10-08T22:02:38Z",
    "title_canon_sha256": "20d6851025d766dc1475b9525bf8d8cde658daf6e151cbc2371c1b48830ee903"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.07013",
    "kind": "arxiv",
    "version": 1
  }
}