Pith Number

pith:UATYCBLD

pith:2014:UATYCBLD347BQPUMNWMWGQGVIW

not attested not anchored not stored refs pending

Computational Mechanics of Input-Output Processes: Structured transformations and the $\epsilon$-transducer

James P. Crutchfield, Nix Barnett

arxiv:1412.2690 v3 · 2014-12-08 · cond-mat.stat-mech · cs.IT · math.DS · 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{UATYCBLD347BQPUMNWMWGQGVIW}

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	2026-05-18T01:22:03.257179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a027810563df3e183e8c6d996340d545a342fc094943df28b5e5eded4b45cf8d

Aliases

arxiv: 1412.2690 · arxiv_version: 1412.2690v3 · doi: 10.48550/arxiv.1412.2690 · pith_short_12: UATYCBLD347B · pith_short_16: UATYCBLD347BQPUM · pith_short_8: UATYCBLD

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/UATYCBLD347BQPUMNWMWGQGVIW \
  | 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: a027810563df3e183e8c6d996340d545a342fc094943df28b5e5eded4b45cf8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a22175d5fb3b515f73654c83ea6014559ade4d4c0b31a2ce037b7a50a3522f6",
    "cross_cats_sorted": [
      "cs.IT",
      "math.DS",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2014-12-08T18:35:03Z",
    "title_canon_sha256": "e090a2c95f927a18cc9291b5f2905948aa69880cbc4beec25d75dc29d3ce3cd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2690",
    "kind": "arxiv",
    "version": 3
  }
}