Pith Number

pith:XC56ERXG

pith:2015:XC56ERXGAX32DD4MBDJQTUMDIX

not attested not anchored not stored refs pending

Systematic entanglement concentration for unknown less-entangled three-photon W states

Fang-Fang Du, Fu-Guo Deng

arxiv:1503.00196 v2 · 2015-03-01 · 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{XC56ERXGAX32DD4MBDJQTUMDIX}

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	2026-05-18T01:28:14.511060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8bbe246e605f7a18f8c08d309d18345f79e2e6ff9734e9e5f26d4608da15ca3

Aliases

arxiv: 1503.00196 · arxiv_version: 1503.00196v2 · doi: 10.48550/arxiv.1503.00196 · pith_short_12: XC56ERXGAX32 · pith_short_16: XC56ERXGAX32DD4M · pith_short_8: XC56ERXG

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/XC56ERXGAX32DD4MBDJQTUMDIX \
  | 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: b8bbe246e605f7a18f8c08d309d18345f79e2e6ff9734e9e5f26d4608da15ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39da4fd7f5c5d4165ead7b2f463548f50409c5a67034fa5873a1d92cab5def3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-03-01T00:07:33Z",
    "title_canon_sha256": "206678f181135901dd7d48b6f61c62abcca643dfa2bf5f0b1ad13345f5d7f9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00196",
    "kind": "arxiv",
    "version": 2
  }
}