Pith Number

pith:NUAENFTD

pith:2016:NUAENFTD7WBHYQZHYISOAZMYF7

not attested not anchored not stored refs pending

Inability of the entropy vector method to certify nonclassicality in linelike causal structures

Mirjam Weilenmann, Roger Colbeck

arxiv:1603.02553 v3 · 2016-03-08 · 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{NUAENFTD7WBHYQZHYISOAZMYF7}

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	2026-05-18T01:02:04.460721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d00469663fd827c4327c224e065982fc84553cbac69120fb187434e26182d3e

Aliases

arxiv: 1603.02553 · arxiv_version: 1603.02553v3 · doi: 10.48550/arxiv.1603.02553 · pith_short_12: NUAENFTD7WBH · pith_short_16: NUAENFTD7WBHYQZH · pith_short_8: NUAENFTD

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/NUAENFTD7WBHYQZHYISOAZMYF7 \
  | 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: 6d00469663fd827c4327c224e065982fc84553cbac69120fb187434e26182d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b18b7e85b9c1bf8ec60dfd456893f995b2d9c1676560d73443997c7d9863dba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-03-08T15:36:22Z",
    "title_canon_sha256": "9513119c70b0b9bf74329b2fa5de6aa018e53dcb4fc4449cdf1baba32a8d29c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02553",
    "kind": "arxiv",
    "version": 3
  }
}