Pith Number

pith:STCSM4WD

pith:2019:STCSM4WDPJJM3OVBIOTLU5L7UI

not attested not anchored not stored refs pending

Minimum--Entropy Couplings and their Applications

Ferdinando Cicalese, Luisa Gargano, Ugo Vaccaro

arxiv:1901.07530 v1 · 2019-01-19 · cs.IT · cs.DS · 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{STCSM4WDPJJM3OVBIOTLU5L7UI}

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	2026-05-17T23:55:42.146924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94c52672c37a52cdbaa143a6ba757fa20fb9c4c6702a2b7d2e28773f74ab3783

Aliases

arxiv: 1901.07530 · arxiv_version: 1901.07530v1 · doi: 10.48550/arxiv.1901.07530 · pith_short_12: STCSM4WDPJJM · pith_short_16: STCSM4WDPJJM3OVB · pith_short_8: STCSM4WD

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/STCSM4WDPJJM3OVBIOTLU5L7UI \
  | 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: 94c52672c37a52cdbaa143a6ba757fa20fb9c4c6702a2b7d2e28773f74ab3783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a57ec8a42e7d7cd7151c6f86c56b57e8400370c8f0376b90014b8eccaf0ff5be",
    "cross_cats_sorted": [
      "cs.DS",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-19T10:57:21Z",
    "title_canon_sha256": "249a0285b54380528311e3b1024876c2e983babd1a881577c32cdd35d4c292cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07530",
    "kind": "arxiv",
    "version": 1
  }
}