Pith Number

pith:QH6XWDQL

pith:2010:QH6XWDQL3ML75HLGHBVJAXXXCO

not attested not anchored not stored refs pending

Formaleuros, Formalbitcoins, and Virtual Monies

Jan A. Bergstra

arxiv:1008.0616 v2 · 2010-08-03 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QH6XWDQL3ML75HLGHBVJAXXXCO}

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	2026-05-18T03:27:10.464964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fd7b0e0bdb17fe9d66386a905ef7139ec2c4e77dc9619acd6fa4d4e9e1d078

Aliases

arxiv: 1008.0616 · arxiv_version: 1008.0616v2 · doi: 10.48550/arxiv.1008.0616 · pith_short_12: QH6XWDQL3ML7 · pith_short_16: QH6XWDQL3ML75HLG · pith_short_8: QH6XWDQL

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/QH6XWDQL3ML75HLGHBVJAXXXCO \
  | 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: 81fd7b0e0bdb17fe9d66386a905ef7139ec2c4e77dc9619acd6fa4d4e9e1d078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3477b33381284f95026b47559b005a7b9a7bd4ca102c60c81f9abc7fa1b15c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2010-08-03T18:30:57Z",
    "title_canon_sha256": "7b0dcf9422c06339ab1c2028b9f2afaf3553005833889fe1e2cb3355f1af08da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0616",
    "kind": "arxiv",
    "version": 2
  }
}