Pith Number

pith:QS4F547C

pith:2017:QS4F547CWKA7RE42RDU44DSDKK

not attested not anchored not stored refs pending

Complete positivity on the subsystems level

J. Jeknic-Dugic, M. Arsenijevic, M. Dugic

arxiv:1708.07873 v5 · 2017-08-25 · quant-ph · physics.ed-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{QS4F547CWKA7RE42RDU44DSDKK}

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	2026-05-18T00:02:45.621986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b85ef3e2b281f8939a88e9ce0e435281342768a3625f2951c320205b26f7ec

Aliases

arxiv: 1708.07873 · arxiv_version: 1708.07873v5 · doi: 10.48550/arxiv.1708.07873 · pith_short_12: QS4F547CWKA7 · pith_short_16: QS4F547CWKA7RE42 · pith_short_8: QS4F547C

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/QS4F547CWKA7RE42RDU44DSDKK \
  | 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: 84b85ef3e2b281f8939a88e9ce0e435281342768a3625f2951c320205b26f7ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b885a43163b330568cbee09d08cda87f077454003738d763bd34d4bd836d6be3",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-25T20:12:32Z",
    "title_canon_sha256": "9f89535c3bf0f88219b58e8c84db8889db217fd388c75c76cbbaaf499876f796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07873",
    "kind": "arxiv",
    "version": 5
  }
}