Pith Number

pith:6N6SR5H7

pith:2019:6N6SR5H7RZRTAQTKC426CHFEWX

not attested not anchored not stored refs pending

An information-theoretic treatment of quantum dichotomies

David Sutter, Francesco Buscemi, Marco Tomamichel

arxiv:1907.08539 v4 · 2019-07-19 · quant-ph · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6N6SR5H7RZRTAQTKC426CHFEWX}

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	2026-07-05T01:47:11.634103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f37d28f4ff8e6330426a1735e11ca4b5f775c3bf323fe034a99abc2f317edd07

Aliases

arxiv: 1907.08539 · arxiv_version: 1907.08539v4 · doi: 10.48550/arxiv.1907.08539 · pith_short_12: 6N6SR5H7RZRT · pith_short_16: 6N6SR5H7RZRTAQTK · pith_short_8: 6N6SR5H7

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/6N6SR5H7RZRTAQTKC426CHFEWX \
  | 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: f37d28f4ff8e6330426a1735e11ca4b5f775c3bf323fe034a99abc2f317edd07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a0760a79ad0baf038a0cec550c88566bd494cc8dcc9cca06fbb4467b05016a3",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-19T14:59:05Z",
    "title_canon_sha256": "087c2873264c22ddff4d52016bf7345efaaec7056d4801ac86bba5a866bf9c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08539",
    "kind": "arxiv",
    "version": 4
  }
}