Pith Number

pith:E36EMDC7

pith:2020:E36EMDC7MZ64PEMBKWCCDJ4U6S

not attested not anchored not stored refs pending

A device-independent protocol for XOR oblivious transfer

Ernest Y.-Z. Tan, Jamie Sikora, Srijita Kundu

arxiv:2006.06671 v3 · 2020-06-11 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E36EMDC7MZ64PEMBKWCCDJ4U6S}

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	2026-07-05T04:27:41.166720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26fc460c5f667dc79181558421a794f48b070f8161d52ef1211c89feac60015d

Aliases

arxiv: 2006.06671 · arxiv_version: 2006.06671v3 · doi: 10.48550/arxiv.2006.06671 · pith_short_12: E36EMDC7MZ64 · pith_short_16: E36EMDC7MZ64PEMB · pith_short_8: E36EMDC7

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/E36EMDC7MZ64PEMBKWCCDJ4U6S \
  | 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: 26fc460c5f667dc79181558421a794f48b070f8161d52ef1211c89feac60015d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d780aa8e8365c61a4ddd5d2b65bb24ab81cb7911aca512ecc496f3efdba573d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-06-11T17:59:46Z",
    "title_canon_sha256": "2d56b63293ebe7f26e4376229ee8d97b799fad84ae189286c1e84eb8f22e66d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06671",
    "kind": "arxiv",
    "version": 3
  }
}