Pith Number

pith:OPYS7L4C

pith:2015:OPYS7L4CG72SCWBCJQO5BVSWQ5

not attested not anchored not stored refs pending

Leakage-resilient Cryptography with key derived from sensitive data

Konrad Durnoga, Maciej Zdanowicz, Micha{\l} Zaj\k{a}c, Tomasz Kazana

arxiv:1502.00172 v3 · 2015-01-31 · cs.CR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPYS7L4CG72SCWBCJQO5BVSWQ5}

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	2026-05-18T00:03:37.638029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f12faf8237f52158224c1dd0d656877f12c2107e068c8df161b5bb7da12732

Aliases

arxiv: 1502.00172 · arxiv_version: 1502.00172v3 · doi: 10.48550/arxiv.1502.00172 · pith_short_12: OPYS7L4CG72S · pith_short_16: OPYS7L4CG72SCWBC · pith_short_8: OPYS7L4C

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/OPYS7L4CG72SCWBCJQO5BVSWQ5 \
  | 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: 73f12faf8237f52158224c1dd0d656877f12c2107e068c8df161b5bb7da12732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d0384919a8a9a4419b6e9be01f72a85958ba83b58530cc3a08f1584df415039",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-01-31T22:10:50Z",
    "title_canon_sha256": "ff95a70ef5fcfb8722203e954178735e4946f0ba377363e133cab097886c8d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00172",
    "kind": "arxiv",
    "version": 3
  }
}