Pith Number

pith:VOSHNSIK

pith:2019:VOSHNSIK7MB722GYZC3JCZZWNU

not attested not anchored not stored refs pending

Can We Prove Time Protection?

Gernot Heiser, Gerwin Klein, Toby Murray

arxiv:1901.08338 v1 · 2019-01-24 · 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{VOSHNSIK7MB722GYZC3JCZZWNU}

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	2026-05-17T23:55:37.290251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aba476c90afb03fd68d8c8b69167366d25ce1b86c258163cb90c705c6d024559

Aliases

arxiv: 1901.08338 · arxiv_version: 1901.08338v1 · doi: 10.48550/arxiv.1901.08338 · pith_short_12: VOSHNSIK7MB7 · pith_short_16: VOSHNSIK7MB722GY · pith_short_8: VOSHNSIK

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/VOSHNSIK7MB722GYZC3JCZZWNU \
  | 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: aba476c90afb03fd68d8c8b69167366d25ce1b86c258163cb90c705c6d024559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4360cb795a1bde1896c1aa97bce868cdfa3f637add80e1c05aaa4e315bbb3dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OS",
    "submitted_at": "2019-01-24T10:44:31Z",
    "title_canon_sha256": "04b25a456353347827fb0d0331211bf1f468ae94c2e7958584ad982dce3c4a59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08338",
    "kind": "arxiv",
    "version": 1
  }
}