Pith Number

pith:G43NPOTB

pith:2018:G43NPOTBNG2VPSQ3HRQXNEVRER

not attested not anchored not stored refs pending

Formal verification of the YubiKey and YubiHSM APIs in Maude-NPA

Antonio Gonz\'alez-Burgue\~no, Catherine Meadows, Dami\'an Aparicio, Jos\'e Meseguer, Santiago Escobar

arxiv:1806.07209 v1 · 2018-06-19 · 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{G43NPOTBNG2VPSQ3HRQXNEVRER}

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	2026-05-18T00:12:51.582416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3736d7ba6169b557ca1b3c617692b12460d848d4dfd300d7bb853934a79bf5bb

Aliases

arxiv: 1806.07209 · arxiv_version: 1806.07209v1 · doi: 10.48550/arxiv.1806.07209 · pith_short_12: G43NPOTBNG2V · pith_short_16: G43NPOTBNG2VPSQ3 · pith_short_8: G43NPOTB

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/G43NPOTBNG2VPSQ3HRQXNEVRER \
  | 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: 3736d7ba6169b557ca1b3c617692b12460d848d4dfd300d7bb853934a79bf5bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08bcf81cb3c3421488caa44451f6ece1f5f7853bf3b585a50c297c42a4841244",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-06-19T13:19:48Z",
    "title_canon_sha256": "54c1589a8c447f184e820df9098f0f39ae0cd03bcd62165e496020cb98b20654"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07209",
    "kind": "arxiv",
    "version": 1
  }
}