Pith Number

pith:EPW6GOIS

pith:2012:EPW6GOISISZIVAYYEJX54T76CD

not attested not anchored not stored refs pending

Quantum channel detection

C. Macchiavello, M. Rossi

arxiv:1208.5121 v3 · 2012-08-25 · 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{EPW6GOISISZIVAYYEJX54T76CD}

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	2026-05-18T03:07:32.000610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ede3391244b28a8318226fde4ffe10c3a215afde18fcc2d0ffdbe2af8c2446

Aliases

arxiv: 1208.5121 · arxiv_version: 1208.5121v3 · doi: 10.48550/arxiv.1208.5121 · pith_short_12: EPW6GOISISZI · pith_short_16: EPW6GOISISZIVAYY · pith_short_8: EPW6GOIS

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/EPW6GOISISZIVAYYEJX54T76CD \
  | 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: 23ede3391244b28a8318226fde4ffe10c3a215afde18fcc2d0ffdbe2af8c2446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33d91f2ba8eb341b110a3d55a3fb19ade0a0af66b6584ecd8dd18df81a0a6d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-25T09:51:48Z",
    "title_canon_sha256": "6b44e3860475fe3ed276418141d38c998f5fc7bfdc2f2cf422c4f71692a58866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5121",
    "kind": "arxiv",
    "version": 3
  }
}