Pith Number

pith:ED7BVLWJ

pith:2025:ED7BVLWJ55Z3SIHFNQ5K7ETKV7

not attested not anchored not stored refs pending

Towards a Characterization of Two-way Bijections in a Reversible Computational Model

Luca Roversi, Matteo Palazzo

arxiv:2506.03382 v1 · 2025-06-03 · cs.LO · cs.CC · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ED7BVLWJ55Z3SIHFNQ5K7ETKV7}

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	2026-07-05T11:15:26.595095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20fe1aaec9ef73b920e56c3aaf926aafd1bf35b132c9d12af164fb55e622cabd

Aliases

arxiv: 2506.03382 · arxiv_version: 2506.03382v1 · doi: 10.48550/arxiv.2506.03382 · pith_short_12: ED7BVLWJ55Z3 · pith_short_16: ED7BVLWJ55Z3SIHF · pith_short_8: ED7BVLWJ

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/ED7BVLWJ55Z3SIHFNQ5K7ETKV7 \
  | 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: 20fe1aaec9ef73b920e56c3aaf926aafd1bf35b132c9d12af164fb55e622cabd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7a5dd00077921c45d2848aa1fc9b1e9962c0d6798c18318ffd04da938921d15",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-06-03T20:40:45Z",
    "title_canon_sha256": "785d4fe8620ead157b7874f7c10aa8e47b6ceed5f65d2d85f6d798b00e2048ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03382",
    "kind": "arxiv",
    "version": 1
  }
}