Pith Number

pith:SFWBUY7N

pith:2016:SFWBUY7NGXJIAYD7HCHLYIIQRG

not attested not anchored not stored refs pending

An Upper Bound of Fully Entangled Fraction of Mixed States

Naihuan Jing, Tinggui Zhang, Xiaofen Huang

arxiv:1605.08641 v1 · 2016-05-27 · 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{SFWBUY7NGXJIAYD7HCHLYIIQRG}

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	2026-05-18T01:10:02.759021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916c1a63ed35d280607f388ebc2110898f7c5e06fa2c32c5155114e0fe566dbf

Aliases

arxiv: 1605.08641 · arxiv_version: 1605.08641v1 · doi: 10.48550/arxiv.1605.08641 · pith_short_12: SFWBUY7NGXJI · pith_short_16: SFWBUY7NGXJIAYD7 · pith_short_8: SFWBUY7N

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/SFWBUY7NGXJIAYD7HCHLYIIQRG \
  | 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: 916c1a63ed35d280607f388ebc2110898f7c5e06fa2c32c5155114e0fe566dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "609855e1dfe6ee3caf1e96840378b9a43eff6ac01725c232c92c67526b5e4e60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-27T13:50:01Z",
    "title_canon_sha256": "c111b5ba41229c298c527b97b3b00afc51e93bbbb3a0d5daeb480d364bf4df0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08641",
    "kind": "arxiv",
    "version": 1
  }
}