Pith Number

pith:ZQZJRZRB

pith:2020:ZQZJRZRB6P6IGAPN2MF37BDZ3D

not attested not anchored not stored refs pending

Optimal Work Extraction and the Minimum Description Length Principle

\'Edgar Rold\'an, L\'eo Touzo, Matteo Marsili, Neri Merhav

arxiv:2006.04544 v3 · 2020-06-08 · cond-mat.stat-mech · 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{ZQZJRZRB6P6IGAPN2MF37BDZ3D}

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	2026-07-05T01:34:09.033359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc3298e621f3fc8301edd30bbf8479d8d6360021562dcfd1e3cc86b272598cc4

Aliases

arxiv: 2006.04544 · arxiv_version: 2006.04544v3 · doi: 10.48550/arxiv.2006.04544 · pith_short_12: ZQZJRZRB6P6I · pith_short_16: ZQZJRZRB6P6IGAPN · pith_short_8: ZQZJRZRB

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/ZQZJRZRB6P6IGAPN2MF37BDZ3D \
  | 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: cc3298e621f3fc8301edd30bbf8479d8d6360021562dcfd1e3cc86b272598cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3105845890657e77b589d505f6afaf0ba11eaf2a979b8cb0e56f517159e30883",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2020-06-08T12:58:35Z",
    "title_canon_sha256": "4c39c9cbdf64e004a6f26db94a092db8be6973530ad97c9e323bca9934cb5c9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.04544",
    "kind": "arxiv",
    "version": 3
  }
}