Pith Number

pith:WC7KMLK4

pith:2017:WC7KMLK454BJUY3TKDLCOTIOSH

not attested not anchored not stored refs pending

Threshold-based Obfuscated Keys with Quantifiable Security against Invasive Readout

Daniel Holcomb, Shahrzad Keshavarz

arxiv:1708.07150 v2 · 2017-08-23 · 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{WC7KMLK454BJUY3TKDLCOTIOSH}

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	2026-05-18T00:32:00.950251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0bea62d5cef029a637350d6274d0e91cdbdacc5e51f636f2ef611551e90e421

Aliases

arxiv: 1708.07150 · arxiv_version: 1708.07150v2 · doi: 10.48550/arxiv.1708.07150 · pith_short_12: WC7KMLK454BJ · pith_short_16: WC7KMLK454BJUY3T · pith_short_8: WC7KMLK4

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/WC7KMLK454BJUY3TKDLCOTIOSH \
  | 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: b0bea62d5cef029a637350d6274d0e91cdbdacc5e51f636f2ef611551e90e421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6073d3fa024f5fd7b059f90175b0f64f4a5be862946f574f4f6c43c819b349ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-08-23T18:57:29Z",
    "title_canon_sha256": "757dee1058d3126d951f8a82c6a95c9e092568a22321de7a9a9bc0e65de8feb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07150",
    "kind": "arxiv",
    "version": 2
  }
}