Pith Number

pith:7HZZIX5S

pith:2014:7HZZIX5S3XWD3N22DO33TYM6JG

not attested not anchored not stored refs pending

Identifiability of Open Quantum Systems

Daniel Burgarth, Kazuya Yuasa

arxiv:1401.5240 v1 · 2014-01-21 · quant-ph

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

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	2026-05-18T02:56:06.302919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9f3945fb2ddec3db75a1bb7b9e19e49a243f34741df1acfdeab6da821538411

Aliases

arxiv: 1401.5240 · arxiv_version: 1401.5240v1 · doi: 10.48550/arxiv.1401.5240 · pith_short_12: 7HZZIX5S3XWD · pith_short_16: 7HZZIX5S3XWD3N22 · pith_short_8: 7HZZIX5S

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/7HZZIX5S3XWD3N22DO33TYM6JG \
  | 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: f9f3945fb2ddec3db75a1bb7b9e19e49a243f34741df1acfdeab6da821538411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3286a74370caadf5552264061c6b73fc9223453eeb5f035b9c715bb2d01a0f0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-01-21T09:49:29Z",
    "title_canon_sha256": "48c486b3cb445923e3831277b1b578c9d31ffdfdae3200028b1864b4d8b68fcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5240",
    "kind": "arxiv",
    "version": 1
  }
}