Pith Number

pith:EQDNEVMU

pith:2020:EQDNEVMUVL5R7IM53XCVGQ4DU6

not attested not anchored not stored refs pending

Efficient Algorithms for Causal Order Discovery in Quantum Networks

Ge Bai, Giulio Chiribella, Masahito Hayashi, Ya-Dong Wu, Yan Zhu

arxiv:2012.01731 v3 · 2020-12-03 · 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{EQDNEVMUVL5R7IM53XCVGQ4DU6}

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	2026-07-05T03:17:46.396687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2406d25594aafb1fa19dddc5534383a7997a98dffffb289113b27168973c47de

Aliases

arxiv: 2012.01731 · arxiv_version: 2012.01731v3 · doi: 10.48550/arxiv.2012.01731 · pith_short_12: EQDNEVMUVL5R · pith_short_16: EQDNEVMUVL5R7IM5 · pith_short_8: EQDNEVMU

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/EQDNEVMUVL5R7IM53XCVGQ4DU6 \
  | 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: 2406d25594aafb1fa19dddc5534383a7997a98dffffb289113b27168973c47de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2798564209532832459b5f0faba77a49f86b2a1f6541b4419109c4b3183f57a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-03T07:12:08Z",
    "title_canon_sha256": "9991afcce9ffb50f09d3fb2d51419616e64f2b04fa9e683241e46ffff4da8eb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.01731",
    "kind": "arxiv",
    "version": 3
  }
}