Pith Number

pith:JBSS4LKC

pith:2018:JBSS4LKC3QPQ7G5YLEY7ZF37EJ

not attested not anchored not stored refs pending

The Distribution of Reversible Functions is Normal

W. B. Langdon

arxiv:1808.06928 v1 · 2018-08-18 · cs.ET · cs.NE · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JBSS4LKC3QPQ7G5YLEY7ZF37EJ}

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	2026-05-18T00:07:38.633491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48652e2d42dc1f0f9bb85931fc977f226aa85d1451b16c5dcc2d1cb595b58a90

Aliases

arxiv: 1808.06928 · arxiv_version: 1808.06928v1 · doi: 10.48550/arxiv.1808.06928 · pith_short_12: JBSS4LKC3QPQ · pith_short_16: JBSS4LKC3QPQ7G5Y · pith_short_8: JBSS4LKC

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/JBSS4LKC3QPQ7G5YLEY7ZF37EJ \
  | 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: 48652e2d42dc1f0f9bb85931fc977f226aa85d1451b16c5dcc2d1cb595b58a90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2b10fd4423bbbf50df5f6b06d95823ce809a04b1bd0285f87aacec0b142fcae",
    "cross_cats_sorted": [
      "cs.NE",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2018-08-18T13:06:25Z",
    "title_canon_sha256": "f178aa80dd67d0bfa81f18f98c1cb614b5197593fd5121a50601df50f7f51268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06928",
    "kind": "arxiv",
    "version": 1
  }
}