Pith Number

pith:7FQLYHP2

pith:2019:7FQLYHP2I2NDWOFT3MRJTM7CHY

not attested not anchored not stored refs pending

Insecure Until Proven Updated: Analyzing AMD SEV's Remote Attestation

Christian Werling, Jean-Pierre Seifert, Robert Buhren

arxiv:1908.11680 v2 · 2019-08-30 · 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{7FQLYHP2I2NDWOFT3MRJTM7CHY}

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	2026-07-05T00:01:04.487503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f960bc1dfa469a3b38b3db2299b3e23e1356f9caa278ae69625e67b2d42b851b

Aliases

arxiv: 1908.11680 · arxiv_version: 1908.11680v2 · doi: 10.48550/arxiv.1908.11680 · pith_short_12: 7FQLYHP2I2ND · pith_short_16: 7FQLYHP2I2NDWOFT · pith_short_8: 7FQLYHP2

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/7FQLYHP2I2NDWOFT3MRJTM7CHY \
  | 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: f960bc1dfa469a3b38b3db2299b3e23e1356f9caa278ae69625e67b2d42b851b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69f1f617859c1c5834caa040d9195d8009c4ceb5637810c64f37f294548f312",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-08-30T12:17:27Z",
    "title_canon_sha256": "26c92a2db84c643836f01c530b042deb3f18a08f63e2b2365f40f7fbc93ad710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11680",
    "kind": "arxiv",
    "version": 2
  }
}