Pith Number

pith:5UPDEZXE

pith:2014:5UPDEZXER5YIEKMJNN4GKWN5Q3

not attested not anchored not stored refs pending

Key-Policy Multi-Authority Attribute-Based Encryption

Chiara Marcolla, Massimiliano Sala, Riccardo Longo

arxiv:1412.4234 v2 · 2014-12-13 · 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{5UPDEZXER5YIEKMJNN4GKWN5Q3}

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	2026-05-18T01:18:00.190627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed1e3266e48f708229896b786559bd86f23c071d1f37f3132b79bd280e7d9638

Aliases

arxiv: 1412.4234 · arxiv_version: 1412.4234v2 · doi: 10.48550/arxiv.1412.4234 · pith_short_12: 5UPDEZXER5YI · pith_short_16: 5UPDEZXER5YIEKMJ · pith_short_8: 5UPDEZXE

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/5UPDEZXER5YIEKMJNN4GKWN5Q3 \
  | 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: ed1e3266e48f708229896b786559bd86f23c071d1f37f3132b79bd280e7d9638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272fe8dc3700be6ce0de260b6f3504968dacc0a10e33bb9f0629c27db0ea3045",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-12-13T13:05:53Z",
    "title_canon_sha256": "02101bcc4f1241c2a93d9ee0c04110898cc704a4b84fad171c2b0a77a3a84c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4234",
    "kind": "arxiv",
    "version": 2
  }
}