Pith Number

pith:5AXHHNQP

pith:2014:5AXHHNQP22ECHQTQ2YFTAIVCNC

not attested not anchored not stored refs pending

Quantum digital signatures with quantum key distribution components

Adrian Kent, Erika Andersson, Petros Wallden, Vedran Dunjko

arxiv:1403.5551 v2 · 2014-03-21 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AXHHNQP22ECHQTQ2YFTAIVCNC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:19:25.691413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e82e73b60fd68823c270d60b3022a2689f6c3303808446cb0ce9d222c09f09ea

Aliases

arxiv: 1403.5551 · arxiv_version: 1403.5551v2 · doi: 10.48550/arxiv.1403.5551 · pith_short_12: 5AXHHNQP22EC · pith_short_16: 5AXHHNQP22ECHQTQ · pith_short_8: 5AXHHNQP

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/5AXHHNQP22ECHQTQ2YFTAIVCNC \
  | 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: e82e73b60fd68823c270d60b3022a2689f6c3303808446cb0ce9d222c09f09ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c2c41b38d13de87b362f379bd42c1c7e2d88edcdad819517cc58d87dc04447d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-21T19:35:19Z",
    "title_canon_sha256": "2fce4bc7c8c2834a400fdcdbb8e57eeeeff088cfb57f13fe279b5c485590e7b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5551",
    "kind": "arxiv",
    "version": 2
  }
}