Pith Number

pith:V2JMRMTS

pith:2019:V2JMRMTSDMG3ZW32MF5PL3YSSJ

not attested not anchored not stored refs pending

Semantic expressive capacity with bounded memory

Alexander Koller, Antoine Venant

arxiv:1906.11752 v1 · 2019-06-27 · cs.CL · 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{V2JMRMTSDMG3ZW32MF5PL3YSSJ}

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	2026-05-17T23:42:03.873556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae92c8b2721b0dbcdb7a617af5ef12924c7add83a3a98ab9ac4d989720a854c5

Aliases

arxiv: 1906.11752 · arxiv_version: 1906.11752v1 · doi: 10.48550/arxiv.1906.11752 · pith_short_12: V2JMRMTSDMG3 · pith_short_16: V2JMRMTSDMG3ZW32 · pith_short_8: V2JMRMTS

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/V2JMRMTSDMG3ZW32MF5PL3YSSJ \
  | 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: ae92c8b2721b0dbcdb7a617af5ef12924c7add83a3a98ab9ac4d989720a854c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e420dde32798a97b0c146cb5bdc19d1bb7976b80247f6783161534e7083200a4",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-27T15:54:57Z",
    "title_canon_sha256": "aee80db64fa1bebd4940a3b941bb377c9606bf0ebef5d34ae84fdd9cfaa752cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11752",
    "kind": "arxiv",
    "version": 1
  }
}