Pith Number

pith:7O7XUNXR

pith:2017:7O7XUNXRHSDBBX5RALDZYJHFEB

not attested not anchored not stored refs pending

A Framework for Efficient Adaptively Secure Composable Oblivious Transfer in the ROM

Anderson C. A. Nascimento, Bernardo David, Kirill Morozov, Paulo S. L. M. Barreto, Rafael Dowsley

arxiv:1710.08256 v1 · 2017-10-23 · 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{7O7XUNXRHSDBBX5RALDZYJHFEB}

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	2026-05-18T00:32:16.879887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbbf7a36f13c8610dfb102c79c24e5207bdb09b267938d8d762d71d7b12ce18c

Aliases

arxiv: 1710.08256 · arxiv_version: 1710.08256v1 · doi: 10.48550/arxiv.1710.08256 · pith_short_12: 7O7XUNXRHSDB · pith_short_16: 7O7XUNXRHSDBBX5R · pith_short_8: 7O7XUNXR

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/7O7XUNXRHSDBBX5RALDZYJHFEB \
  | 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: fbbf7a36f13c8610dfb102c79c24e5207bdb09b267938d8d762d71d7b12ce18c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53239318ea301f51da3ffcf8b9126ae9aa10568a521118be7263d7e64b850ec9",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-10-23T13:18:11Z",
    "title_canon_sha256": "d6c68360ca6b17be73effb328c4ed027d1e01d625ee9e6faf0b1cd8507551981"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08256",
    "kind": "arxiv",
    "version": 1
  }
}