Pith Number

pith:QZRVLQYI

pith:2015:QZRVLQYILSCQGLFF6ZDMHP4P3K

not attested not anchored not stored refs pending

Unconditionally Secure Quantum Signatures

Erika Andersson, Ryan Amiri

arxiv:1508.01893 v1 · 2015-08-08 · 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{QZRVLQYILSCQGLFF6ZDMHP4P3K}

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	2026-05-18T01:35:37.648604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

866355c3085c85032ca5f646c3bf8fdaa0b0d301f70625a6a1c64d5f74782561

Aliases

arxiv: 1508.01893 · arxiv_version: 1508.01893v1 · doi: 10.48550/arxiv.1508.01893 · pith_short_12: QZRVLQYILSCQ · pith_short_16: QZRVLQYILSCQGLFF · pith_short_8: QZRVLQYI

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/QZRVLQYILSCQGLFF6ZDMHP4P3K \
  | 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: 866355c3085c85032ca5f646c3bf8fdaa0b0d301f70625a6a1c64d5f74782561

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d6fb7e2f1ccfe9ef29cd02d9d4db8770064bb228de84c341049706168846af",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-08-08T12:25:24Z",
    "title_canon_sha256": "b2a1b84e02a3571534b075387abaea4519d8cb2487ee6cd2913dc9fa0310424c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01893",
    "kind": "arxiv",
    "version": 1
  }
}