Pith Number

pith:7NMUWNMS

pith:2015:7NMUWNMS2GS2ZP33QR527D53WU

not attested not anchored not stored refs pending

Oblivious Transfer Protocol with Verification

Subhash Kak

arxiv:1504.00601 v1 · 2015-04-02 · 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{7NMUWNMS2GS2ZP33QR527D53WU}

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	2026-05-18T02:19:43.037225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb594b3592d1a5acbf7b847baf8fbbb53f07516df6e9e6d4358b2d3cb41886d7

Aliases

arxiv: 1504.00601 · arxiv_version: 1504.00601v1 · doi: 10.48550/arxiv.1504.00601 · pith_short_12: 7NMUWNMS2GS2 · pith_short_16: 7NMUWNMS2GS2ZP33 · pith_short_8: 7NMUWNMS

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/7NMUWNMS2GS2ZP33QR527D53WU \
  | 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: fb594b3592d1a5acbf7b847baf8fbbb53f07516df6e9e6d4358b2d3cb41886d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1d38655e7d7ac9707e80d462876bafc9617372cd6a4523c2d5de171e0c7e754",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-04-02T16:05:22Z",
    "title_canon_sha256": "84f7a472de72c92a53c233ef231ae44cf2f38e20276f27683ef4aa297be82c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00601",
    "kind": "arxiv",
    "version": 1
  }
}