Pith Number

pith:YSN4BRM6

pith:2019:YSN4BRM6A6RTPHXLVLSEWDCZVR

not attested not anchored not stored refs pending

A Verified Architecture for Proofs of Execution on Remote Devices under Full Software Compromise

Gene Tsudik, Ivan De Oliveira Nunes, Karim ElDefrawy, Norrathep Rattanavipanon

arxiv:1908.02444 v2 · 2019-08-07 · 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{YSN4BRM6A6RTPHXLVLSEWDCZVR}

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	2026-07-05T00:32:51.089808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c49bc0c59e07a3379eebaae44b0c59ac6664b56a8f7a7c50cbe66d63c594dc45

Aliases

arxiv: 1908.02444 · arxiv_version: 1908.02444v2 · doi: 10.48550/arxiv.1908.02444 · pith_short_12: YSN4BRM6A6RT · pith_short_16: YSN4BRM6A6RTPHXL · pith_short_8: YSN4BRM6

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/YSN4BRM6A6RTPHXLVLSEWDCZVR \
  | 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: c49bc0c59e07a3379eebaae44b0c59ac6664b56a8f7a7c50cbe66d63c594dc45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba88b9a85dd9b2e66929dff66ddd579563dfe16e0007e31987da5eee7378838",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-08-07T05:16:22Z",
    "title_canon_sha256": "31aea334e3f350e3e8a1a8c1572615114f91b9667f841963165913707b8905b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02444",
    "kind": "arxiv",
    "version": 2
  }
}