Pith Number

pith:NB7KJUD7

pith:2012:NB7KJUD7V6QH6HMYGNBECFYPDH

not attested not anchored not stored refs pending

Secret key rates for coherent attacks

Dagmar Bru{\ss}, Hermann Kampermann, Markus Mertz, Sylvia Bratzik

arxiv:1207.0085 v1 · 2012-06-30 · 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{NB7KJUD7V6QH6HMYGNBECFYPDH}

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	2026-05-18T01:56:36.119566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

687ea4d07fafa07f1d98334241170f19f0f1327ce7ee60fb849da9e12fb74222

Aliases

arxiv: 1207.0085 · arxiv_version: 1207.0085v1 · doi: 10.48550/arxiv.1207.0085 · pith_short_12: NB7KJUD7V6QH · pith_short_16: NB7KJUD7V6QH6HMY · pith_short_8: NB7KJUD7

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/NB7KJUD7V6QH6HMYGNBECFYPDH \
  | 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: 687ea4d07fafa07f1d98334241170f19f0f1327ce7ee60fb849da9e12fb74222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fea8b37440f6d8183a3fd8ac183ad42100b598a8b16bfedfd5b98c6be5b25cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-30T12:19:05Z",
    "title_canon_sha256": "facccad1fd7e3a5cfbc0323afdca595646feb2e0a4614123cbfff55ead8b40d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0085",
    "kind": "arxiv",
    "version": 1
  }
}