Pith Number

pith:VXTTFCQE

pith:2018:VXTTFCQEJZOFRJNVWG227GVKGM

not attested not anchored not stored refs pending

Nontrivial quantum observables can always be optimized via some form of coherence

Hyunseok Jeong, Kok Chuan Tan, Seongjeon Choi

arxiv:1807.00494 v1 · 2018-07-02 · 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{VXTTFCQEJZOFRJNVWG227GVKGM}

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	2026-05-18T00:11:52.439990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ade7328a044e5c58a5b5b1b5af9aaa33250c9c077c6d9708e87cc18dc11f0edb

Aliases

arxiv: 1807.00494 · arxiv_version: 1807.00494v1 · doi: 10.48550/arxiv.1807.00494 · pith_short_12: VXTTFCQEJZOF · pith_short_16: VXTTFCQEJZOFRJNV · pith_short_8: VXTTFCQE

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/VXTTFCQEJZOFRJNVWG227GVKGM \
  | 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: ade7328a044e5c58a5b5b1b5af9aaa33250c9c077c6d9708e87cc18dc11f0edb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec518473b6f8ff1ef646f15af27d82b35e1b67222dcd4faf85033bc3a455aa90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-02T07:19:16Z",
    "title_canon_sha256": "25cf6f8eb056cb7d096cb7d674cfd7781b83fa2bf806f61cd86eca701d115207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00494",
    "kind": "arxiv",
    "version": 1
  }
}