Pith Number

pith:E5A5JC7P

pith:2017:E5A5JC7PFYDO3U2NJKRIHXWZNL

not attested not anchored not stored refs pending

Learning Product Automata

Joshua Moerman

arxiv:1705.02850 v1 · 2017-05-08 · cs.SE · 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{E5A5JC7PFYDO3U2NJKRIHXWZNL}

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	2026-05-18T00:44:53.536881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2741d48bef2e06edd34d4aa283ded96ad6ca87267cdf0632e36a85c1f8463da9

Aliases

arxiv: 1705.02850 · arxiv_version: 1705.02850v1 · doi: 10.48550/arxiv.1705.02850 · pith_short_12: E5A5JC7PFYDO · pith_short_16: E5A5JC7PFYDO3U2N · pith_short_8: E5A5JC7P

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/E5A5JC7PFYDO3U2NJKRIHXWZNL \
  | 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: 2741d48bef2e06edd34d4aa283ded96ad6ca87267cdf0632e36a85c1f8463da9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87bda271bfd4256168ad3285ce95d9903c98de81af3e67757608b89357663c9a",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-05-08T12:56:57Z",
    "title_canon_sha256": "4df4d93d347112c2f23f59c82cc1650b3f5bbc5634d24e912cac4720c7e455b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02850",
    "kind": "arxiv",
    "version": 1
  }
}