Pith Number

pith:3QVQC4PT

pith:2012:3QVQC4PTB6APWXNFAGPGY4HSPV

not attested not anchored not stored refs pending

Updating attribute in CP-ABE: A New Approach

Devesh Jinwala, Nishant Doshi

arxiv:1208.5848 v2 · 2012-08-29 · 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{3QVQC4PTB6APWXNFAGPGY4HSPV}

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	2026-05-18T03:44:48.752774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc2b0171f30f80fb5da5019e6c70f27d59913b93b658d88714c30f7db07fd6a6

Aliases

arxiv: 1208.5848 · arxiv_version: 1208.5848v2 · doi: 10.48550/arxiv.1208.5848 · pith_short_12: 3QVQC4PTB6AP · pith_short_16: 3QVQC4PTB6APWXNF · pith_short_8: 3QVQC4PT

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/3QVQC4PTB6APWXNFAGPGY4HSPV \
  | 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: dc2b0171f30f80fb5da5019e6c70f27d59913b93b658d88714c30f7db07fd6a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c96e4acbb1581045d019ff296f85680bbff9c8747d78cc568e9809f3a140036",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-08-29T06:42:25Z",
    "title_canon_sha256": "685ebae5438f38d63e93312f7d59671d7be4bc5f2511a185e2998cded118f00b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5848",
    "kind": "arxiv",
    "version": 2
  }
}