Pith Number

pith:N5A2NOM3

pith:2015:N5A2NOM3SLC733JPM5R6KDEIO3

not attested not anchored not stored refs pending

Fragments of ML Decidable by Nested Data Class Memory Automata

Andrzej S. Murawski, C.-H. Luke Ong, Conrad Cotton-Barratt, David Hopkins

arxiv:1501.04511 v1 · 2015-01-19 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5A2NOM3SLC733JPM5R6KDEIO3}

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	2026-05-18T02:29:08.833012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f41a6b99b92c5fded2f6763e50c8876cb3b1203a7da3033729d3f701489fd6f

Aliases

arxiv: 1501.04511 · arxiv_version: 1501.04511v1 · doi: 10.48550/arxiv.1501.04511 · pith_short_12: N5A2NOM3SLC7 · pith_short_16: N5A2NOM3SLC733JP · pith_short_8: N5A2NOM3

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/N5A2NOM3SLC733JPM5R6KDEIO3 \
  | 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: 6f41a6b99b92c5fded2f6763e50c8876cb3b1203a7da3033729d3f701489fd6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "038fd2aeff09c92c97cd63317300f0935f7629640b1bf47ec58e8233921068e5",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-01-19T15:03:46Z",
    "title_canon_sha256": "3b3a0aed9bc69968fc7fbedd7b18f93b550e99513f3499287c701dc016d13a00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04511",
    "kind": "arxiv",
    "version": 1
  }
}