pith. sign in
Pith Number

pith:BT23KM5V

pith:2011:BT23KM5VZD4MR5DKWXYBLP7WFH
not attested not anchored not stored refs pending

Unconditionally-secure and reusable public-key authentication

Lawrence M. Ioannou, Michele Mosca

arxiv:1108.2887 v1 · 2011-08-14 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BT23KM5VZD4MR5DKWXYBLP7WFH}

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 2026-05-18T04:15:28.999568Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0cf5b533b5c8f8c8f46ab5f015bff629e39eeeae8200822c13c6d51e656c5b73

Aliases

arxiv: 1108.2887 · arxiv_version: 1108.2887v1 · doi: 10.48550/arxiv.1108.2887 · pith_short_12: BT23KM5VZD4M · pith_short_16: BT23KM5VZD4MR5DK · pith_short_8: BT23KM5V
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BT23KM5VZD4MR5DKWXYBLP7WFH \
  | 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: 0cf5b533b5c8f8c8f46ab5f015bff629e39eeeae8200822c13c6d51e656c5b73
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f65f30106e3371579627d48470d4b813b13aba6f7b020d03a157bf82a2994446",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-08-14T16:22:01Z",
    "title_canon_sha256": "557232926b59702707f94fe7c22a94d09c3683665adfa74e555fb068a25a5699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2887",
    "kind": "arxiv",
    "version": 1
  }
}