Pith Number

pith:FZKOMHES

pith:2022:FZKOMHESZCNDHNKG36MDCJ7DLL

not attested not anchored not stored refs pending

Contract-Backed Digital Cash

Christian Olesen, Fritz Henglein, Gert Sylvest, Morten C. Nielsen, S{\o}ren Debois

arxiv:2211.14442 v1 · 2022-11-19 · 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{FZKOMHESZCNDHNKG36MDCJ7DLL}

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	2026-07-05T05:19:39.700573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e54e61c92c89a33b546df983127e35ac1b340bd7ee38fb1b53cca201200a444

Aliases

arxiv: 2211.14442 · arxiv_version: 2211.14442v1 · doi: 10.48550/arxiv.2211.14442 · pith_short_12: FZKOMHESZCND · pith_short_16: FZKOMHESZCNDHNKG · pith_short_8: FZKOMHES

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/FZKOMHESZCNDHNKG36MDCJ7DLL \
  | 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: 2e54e61c92c89a33b546df983127e35ac1b340bd7ee38fb1b53cca201200a444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9b6ceb85d0dbdb60200335094c09df049cd7b74be4834ba771b62b3e229e42a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-11-19T19:46:28Z",
    "title_canon_sha256": "d4a9313592561f6c6a4e04af8056810e14194e50c516c5eb62e063dce5588a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.14442",
    "kind": "arxiv",
    "version": 1
  }
}