Pith Number

pith:ZHAON2ZU

pith:2015:ZHAON2ZU5DHCDAQ42ZFJLWTE6G

not attested not anchored not stored refs pending

A Case Study on Covert Channel Establishment via Software Caches in High-Assurance Computing Systems

J\"org Keller, Michael Hanspach, Wolfgang Schmidt

arxiv:1508.05228 v1 · 2015-08-21 · cs.CR · cs.OS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHAON2ZU5DHCDAQ42ZFJLWTE6G}

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	2026-05-18T01:34:56.382491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9c0e6eb34e8ce21821cd64a95da64f18f8d94b137c34c595508e3adf217449d

Aliases

arxiv: 1508.05228 · arxiv_version: 1508.05228v1 · doi: 10.48550/arxiv.1508.05228 · pith_short_12: ZHAON2ZU5DHC · pith_short_16: ZHAON2ZU5DHCDAQ4 · pith_short_8: ZHAON2ZU

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/ZHAON2ZU5DHCDAQ42ZFJLWTE6G \
  | 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: c9c0e6eb34e8ce21821cd64a95da64f18f8d94b137c34c595508e3adf217449d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3191e31dac114f211df95c7a9006933c2e4f290f4793377661158c75ddb48239",
    "cross_cats_sorted": [
      "cs.OS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-08-21T09:59:27Z",
    "title_canon_sha256": "21fff2bed4a6b691275d87824279f91d2fc2b7cfd349c4572570a8355937e0d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05228",
    "kind": "arxiv",
    "version": 1
  }
}