Pith Number

pith:3AKCWTYK

pith:2020:3AKCWTYKA2KSU4TNFUM4LKYOUI

not attested not anchored not stored refs pending

Single-copies estimation of entanglement negativity

Pei Zeng, You Zhou, Zhenhuan Liu

arxiv:2004.11360 v1 · 2020-04-23 · 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{3AKCWTYKA2KSU4TNFUM4LKYOUI}

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.

Cited by

1 paper in Pith

Geometric Decoherence Time in Lindbladian Dynamics

Receipt and verification

First computed	2026-07-05T01:54:28.258059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8142b4f0a06952a726d2d19c5ab0ea219a01bd6d7aa80722b89583dd1f8e6d5

Aliases

arxiv: 2004.11360 · arxiv_version: 2004.11360v1 · doi: 10.48550/arxiv.2004.11360 · pith_short_12: 3AKCWTYKA2KS · pith_short_16: 3AKCWTYKA2KSU4TN · pith_short_8: 3AKCWTYK

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/3AKCWTYKA2KSU4TNFUM4LKYOUI \
  | 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: d8142b4f0a06952a726d2d19c5ab0ea219a01bd6d7aa80722b89583dd1f8e6d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0902fefee2960dba6c2b16f1950d00b98a951fc033741d157ae106d36b84db23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-23T17:57:01Z",
    "title_canon_sha256": "67179209f8c8085022fbbdcd90e68b73b35acefde5ab68447d75780c113f89ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11360",
    "kind": "arxiv",
    "version": 1
  }
}