Pith Number

pith:2G4NCQVI

pith:2019:2G4NCQVILZLDKOVHP6LSNGFNY6

not attested not anchored not stored refs pending

Incompressibility of classical distributions

Anurag Anshu, Dave Touchette, Debbie Leung

arxiv:1911.09126 v2 · 2019-11-20 · quant-ph · cs.IT · math-ph · math.IT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G4NCQVILZLDKOVHP6LSNGFNY6}

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	2026-07-05T03:35:05.184918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b8d142a85e56353aa77f972698adc7968118ba04cd89824a93f0a5c39b7a7c

Aliases

arxiv: 1911.09126 · arxiv_version: 1911.09126v2 · doi: 10.48550/arxiv.1911.09126 · pith_short_12: 2G4NCQVILZLD · pith_short_16: 2G4NCQVILZLDKOVH · pith_short_8: 2G4NCQVI

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/2G4NCQVILZLDKOVHP6LSNGFNY6 \
  | 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: d1b8d142a85e56353aa77f972698adc7968118ba04cd89824a93f0a5c39b7a7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eabe009ef82b72f7917c4bd0df5f7d438fa6630d9be55662c1b4a48457946dab",
    "cross_cats_sorted": [
      "cs.IT",
      "math-ph",
      "math.IT",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-20T19:00:12Z",
    "title_canon_sha256": "6c8bb5930c9f5f82df95428334f68d5f9af15f77b3b05045a4918e071a9f45ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09126",
    "kind": "arxiv",
    "version": 2
  }
}