Pith Number

pith:D4RGLKUB

pith:2017:D4RGLKUBOKUAK372HN3D5ZAQZI

not attested not anchored not stored refs pending

Separability criteria via some classes of measurements

Fengli Yan, Lu Liu, Ting Gao

arxiv:1704.08486 v2 · 2017-04-27 · 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{D4RGLKUBOKUAK372HN3D5ZAQZI}

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	2026-05-18T00:35:55.203415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2265aa8172a8056ffa3b763ee410ca05e78e6faa3db16c58973b788589dacb

Aliases

arxiv: 1704.08486 · arxiv_version: 1704.08486v2 · doi: 10.48550/arxiv.1704.08486 · pith_short_12: D4RGLKUBOKUA · pith_short_16: D4RGLKUBOKUAK372 · pith_short_8: D4RGLKUB

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/D4RGLKUBOKUAK372HN3D5ZAQZI \
  | 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: 1f2265aa8172a8056ffa3b763ee410ca05e78e6faa3db16c58973b788589dacb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2110e9657cb13ab7f357d2c5d90a5aa13c61e0203373f4033d863e067fc4a869",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-27T09:13:46Z",
    "title_canon_sha256": "8d530fded86b026ccafaaf5c18b3c1c3bd2a2cee64c4b9b2db833716d15867ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08486",
    "kind": "arxiv",
    "version": 2
  }
}