Pith Number

pith:YPAZ5OIP

pith:2017:YPAZ5OIP5HQS3L5Q7D4AWK6CLW

not attested not anchored not stored refs pending

On Reversible Transducers

Isma\"el Jecker, Luc Dartois, Nathan Lhote, Paulin Fournier

arxiv:1702.07157 v1 · 2017-02-23 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPAZ5OIP5HQS3L5Q7D4AWK6CLW}

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	2026-05-18T00:50:08.058832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c19eb90fe9e12dafb0f8f80b2bc25da65ca89131536a3446f36aac820af5b6

Aliases

arxiv: 1702.07157 · arxiv_version: 1702.07157v1 · doi: 10.48550/arxiv.1702.07157 · pith_short_12: YPAZ5OIP5HQS · pith_short_16: YPAZ5OIP5HQS3L5Q · pith_short_8: YPAZ5OIP

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/YPAZ5OIP5HQS3L5Q7D4AWK6CLW \
  | 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: c3c19eb90fe9e12dafb0f8f80b2bc25da65ca89131536a3446f36aac820af5b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d788eff05906fe1d398ebdacaeef961177492539cd42976f35cad75bbf5b90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-02-23T10:12:11Z",
    "title_canon_sha256": "163002577f369a32e858c518e2b4f0d40d291ea2ae57c7462d61b91aa0278ab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07157",
    "kind": "arxiv",
    "version": 1
  }
}