Pith Number

pith:P4RKKY2N

pith:2016:P4RKKY2NRQ4J5QZZ467RNZLMUJ

not attested not anchored not stored refs pending

Reverse Data-Processing Theorems and Computational Second Laws

Francesco Buscemi

arxiv:1607.08335 v2 · 2016-07-28 · quant-ph · 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{P4RKKY2NRQ4J5QZZ467RNZLMUJ}

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	2026-05-17T23:57:00.934337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f22a5634d8c389ec339e7bf16e56ca250b8cfdad5c91143508dbf063c126221

Aliases

arxiv: 1607.08335 · arxiv_version: 1607.08335v2 · doi: 10.48550/arxiv.1607.08335 · pith_short_12: P4RKKY2NRQ4J · pith_short_16: P4RKKY2NRQ4J5QZZ · pith_short_8: P4RKKY2N

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/P4RKKY2NRQ4J5QZZ467RNZLMUJ \
  | 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: 7f22a5634d8c389ec339e7bf16e56ca250b8cfdad5c91143508dbf063c126221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60519c178a7833a5fc139ee8c98856f36fa47b2bb1fbd4a94e37cbc8c90133e2",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-28T07:28:29Z",
    "title_canon_sha256": "7091712e712fac1ecbb13c09ebf220771871b32ee940c7feb87a2733535f8456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08335",
    "kind": "arxiv",
    "version": 2
  }
}