Pith Number

pith:CFRYP4R7

pith:2020:CFRYP4R7FX434OPRVVDHKCU3IB

not attested not anchored not stored refs pending

Postquantum common-cause channels: the resource theory of local operations and shared entanglement

David Schmid, Denis Rosset, Ghi Coulter-de Wit, Haoxing Du, Maryam Mudassar, Matty J. Hoban

arxiv:2004.06133 v4 · 2020-04-13 · 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{CFRYP4R7FX434OPRVVDHKCU3IB}

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	2026-07-05T02:25:18.771942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

116387f23f2df9be39f1ad46750a9b407efd2ef4b4015dc8daa819b726fb4880

Aliases

arxiv: 2004.06133 · arxiv_version: 2004.06133v4 · doi: 10.48550/arxiv.2004.06133 · pith_short_12: CFRYP4R7FX43 · pith_short_16: CFRYP4R7FX434OPR · pith_short_8: CFRYP4R7

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/CFRYP4R7FX434OPRVVDHKCU3IB \
  | 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: 116387f23f2df9be39f1ad46750a9b407efd2ef4b4015dc8daa819b726fb4880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0a305bc803c4b6431a53000852972e6fe27678289ae8ceb7fe953ebeabdd174",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-13T18:03:45Z",
    "title_canon_sha256": "4a40f6f57d73b9f7c65d58a9e24d95e56e486f030670c699bbdb1b81c92bfbb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06133",
    "kind": "arxiv",
    "version": 4
  }
}