Pith Number

pith:KE4ISBNH

pith:2015:KE4ISBNHDFJZICH5YZAQKNIGYC

not attested not anchored not stored refs pending

Classical Cryptographic Protocols in a Quantum World

Adam Smith, Fang Song, Sean Hallgren

arxiv:1507.01625 v1 · 2015-07-06 · quant-ph · 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{KE4ISBNHDFJZICH5YZAQKNIGYC}

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	2026-05-18T01:37:12.860908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51388905a719539408fdc641053506c09ea35c235ee0b41e832d7e900bbfb66f

Aliases

arxiv: 1507.01625 · arxiv_version: 1507.01625v1 · doi: 10.48550/arxiv.1507.01625 · pith_short_12: KE4ISBNHDFJZ · pith_short_16: KE4ISBNHDFJZICH5 · pith_short_8: KE4ISBNH

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/KE4ISBNHDFJZICH5YZAQKNIGYC \
  | 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: 51388905a719539408fdc641053506c09ea35c235ee0b41e832d7e900bbfb66f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e313e86691bace08c8bebb6f3b7f219c7a06ae3ae969c0c3087a414c5d1f1d32",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-06T21:26:39Z",
    "title_canon_sha256": "605f787256308d6116f6627346eb9b669c9e1679e8f5d2d443862a6f441062cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01625",
    "kind": "arxiv",
    "version": 1
  }
}