Pith Number

pith:W74ZHBYA

pith:2012:W74ZHBYASVSM5II32FLZA5B2G3

not attested not anchored not stored refs pending

Decoherence-free linear quantum subsystems

Naoki Yamamoto

arxiv:1210.2632 v3 · 2012-10-09 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W74ZHBYASVSM5II32FLZA5B2G3}

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	2026-05-18T02:44:08.625896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7f99387009564cea11bd15790743a36ced8e8bd13d20612d76b424b55f9c9d9

Aliases

arxiv: 1210.2632 · arxiv_version: 1210.2632v3 · doi: 10.48550/arxiv.1210.2632 · pith_short_12: W74ZHBYASVSM · pith_short_16: W74ZHBYASVSM5II3 · pith_short_8: W74ZHBYA

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/W74ZHBYASVSM5II32FLZA5B2G3 \
  | 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: b7f99387009564cea11bd15790743a36ced8e8bd13d20612d76b424b55f9c9d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67b118e96e0d186a9ad1669e902ae7bec59f83c60919cd80adb0ce31e41f5a5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-09T15:05:06Z",
    "title_canon_sha256": "ce82295952cc8e84a0a8001b7cf069d36b7684455271bbafcea0c19ac032cbcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2632",
    "kind": "arxiv",
    "version": 3
  }
}