Pith Number

pith:BFUXTT4E

pith:2017:BFUXTT4ECG2TH3RRRZN6DB6MPB

not attested not anchored not stored refs pending

Work extraction and fully entangled fraction

Chung-Yun Hsieh, Ray-Kuang Lee

arxiv:1706.02605 v1 · 2017-06-08 · 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{BFUXTT4ECG2TH3RRRZN6DB6MPB}

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	2026-05-18T00:40:03.127002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

096979cf8411b533ee318e5be187cc78705d17ae0e2c258def1f628b443bd579

Aliases

arxiv: 1706.02605 · arxiv_version: 1706.02605v1 · doi: 10.48550/arxiv.1706.02605 · pith_short_12: BFUXTT4ECG2T · pith_short_16: BFUXTT4ECG2TH3RR · pith_short_8: BFUXTT4E

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/BFUXTT4ECG2TH3RRRZN6DB6MPB \
  | 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: 096979cf8411b533ee318e5be187cc78705d17ae0e2c258def1f628b443bd579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f9d0c509cf09522f3ef79a823dd785b1eedf474cb2d2aba0ca05c90b49c6c2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-06-08T14:17:01Z",
    "title_canon_sha256": "4855455e3542e4f1896c955f025b1e35ec74e4507b37d76466e52b95434dfb79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02605",
    "kind": "arxiv",
    "version": 1
  }
}