Pith Number

pith:7YVQQXRM

pith:2020:7YVQQXRMUC2GI7F5OWLAIA26NM

not attested not anchored not stored refs pending

Collusion Attacks on Decentralized Attributed-Based Encryption: Analyses and a Solution

Chien-Chung Shen, Ehsan Meamari, Hao Guo, Junbeom Hur

arxiv:2002.07811 v1 · 2020-02-18 · 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{7YVQQXRMUC2GI7F5OWLAIA26NM}

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	2026-07-05T00:42:24.202214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe2b085e2ca0b4647cbd759604035e6b2815240228eda67132c7cd87b5b499f3

Aliases

arxiv: 2002.07811 · arxiv_version: 2002.07811v1 · doi: 10.48550/arxiv.2002.07811 · pith_short_12: 7YVQQXRMUC2G · pith_short_16: 7YVQQXRMUC2GI7F5 · pith_short_8: 7YVQQXRM

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/7YVQQXRMUC2GI7F5OWLAIA26NM \
  | 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: fe2b085e2ca0b4647cbd759604035e6b2815240228eda67132c7cd87b5b499f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17330fd81f19bde1d77c09dd88dec0ee84663442415ad14b933d9b907229b978",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-02-18T04:30:46Z",
    "title_canon_sha256": "9d3e82743b4c3560b664a0a0bb22ba9b8e3aad6ad2589ffeaea77f1fb26f6b0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07811",
    "kind": "arxiv",
    "version": 1
  }
}