Pith Number

pith:PMPFJEF7

pith:2017:PMPFJEF77Q5YDBTHROQMZB2TRR

not attested not anchored not stored refs pending

Lindbladian purification

Christian Arenz, Daniel Burgarth, Hiromichi Nakazato, Kazuya Yuasa, Vittorio Giovannetti

arxiv:1701.02936 v1 · 2017-01-11 · 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	2026-05-18T00:43:55.711408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b1e5490bffc3b8186678ba0cc87538c431a88bba8fabb68f4190b5613fe1776

Aliases

arxiv: 1701.02936 · arxiv_version: 1701.02936v1 · doi: 10.48550/arxiv.1701.02936 · pith_short_12: PMPFJEF77Q5Y · pith_short_16: PMPFJEF77Q5YDBTH · pith_short_8: PMPFJEF7

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/PMPFJEF77Q5YDBTHROQMZB2TRR \
  | 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: 7b1e5490bffc3b8186678ba0cc87538c431a88bba8fabb68f4190b5613fe1776

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9466ce64f648e1e17490022c32470ae974f0853fa2766b2dfb607ff456afe19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-11T12:00:28Z",
    "title_canon_sha256": "64bf18601f95b7a2a25a58da2d407320ff16ee3f4e8ce4b96dae5289874fa853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02936",
    "kind": "arxiv",
    "version": 1
  }
}