Pith Number

pith:AVTY262H

pith:2017:AVTY262HU5KYOXFUVBJ7CFC5ID

not attested not anchored not stored refs pending

Secret key expansion from covert communication

Juan Miguel Arrazola, Ryan Amiri

arxiv:1708.09103 v1 · 2017-08-30 · 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{AVTY262HU5KYOXFUVBJ7CFC5ID}

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	2026-05-18T00:22:28.531177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05678d7b47a755875cb4a853f1145d40f1762736284b559214fd0751cae53d10

Aliases

arxiv: 1708.09103 · arxiv_version: 1708.09103v1 · doi: 10.48550/arxiv.1708.09103 · pith_short_12: AVTY262HU5KY · pith_short_16: AVTY262HU5KYOXFU · pith_short_8: AVTY262H

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/AVTY262HU5KYOXFUVBJ7CFC5ID \
  | 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: 05678d7b47a755875cb4a853f1145d40f1762736284b559214fd0751cae53d10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c1ebb5c4a6b125bfc957f968784e8a9379440d0b0630926d3aa48a09a661abc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-30T04:08:52Z",
    "title_canon_sha256": "b10d5b25fc7f9249539d1dbf0d526410cce8d8ac07708c6777387d433dad4920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09103",
    "kind": "arxiv",
    "version": 1
  }
}