Pith Number

pith:YM5LF7S7

pith:2014:YM5LF7S7M5Z4NGTKOQF2AOGE2A

not attested not anchored not stored refs pending

On the Equivalence of Two Security Notions for Hierarchical Key Assignment Schemes in the Unconditional Setting

Barbara Masucci, Massimo Cafaro, Roberto Civino

arxiv:1402.5371 v2 · 2014-02-21 · 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{YM5LF7S7M5Z4NGTKOQF2AOGE2A}

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	2026-05-18T01:34:55.608657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c33ab2fe5f6773c69a6a740ba038c4d0186f5397e90362ff87fa4b0071db8390

Aliases

arxiv: 1402.5371 · arxiv_version: 1402.5371v2 · doi: 10.48550/arxiv.1402.5371 · pith_short_12: YM5LF7S7M5Z4 · pith_short_16: YM5LF7S7M5Z4NGTK · pith_short_8: YM5LF7S7

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/YM5LF7S7M5Z4NGTKOQF2AOGE2A \
  | 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: c33ab2fe5f6773c69a6a740ba038c4d0186f5397e90362ff87fa4b0071db8390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb52413aa1c21c1cf74100de54f4f4912bd8f01f707f120b56c5717280c8b6b",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-02-21T17:53:58Z",
    "title_canon_sha256": "3f8c750a31a4588702c258f16645d33b0d806a2955c8e63fa68febdcf0f5625f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5371",
    "kind": "arxiv",
    "version": 2
  }
}