Pith Number

pith:W4GPP6CD

pith:2010:W4GPP6CDVKSJGD6ZZCNQGFN4HA

not attested not anchored not stored refs pending

Toward a Compositional Theory of Leftist Grammars and Transformations

Philippe Schnoebelen, Pierre Chambart

arxiv:1001.5047 v1 · 2010-01-27 · 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{W4GPP6CDVKSJGD6ZZCNQGFN4HA}

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	2026-05-18T04:00:01.447533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b70cf7f843aaa4930fd9c89b0315bc38063e4d5329e7cf27b8baed31d929fb1a

Aliases

arxiv: 1001.5047 · arxiv_version: 1001.5047v1 · doi: 10.48550/arxiv.1001.5047 · pith_short_12: W4GPP6CDVKSJ · pith_short_16: W4GPP6CDVKSJGD6Z · pith_short_8: W4GPP6CD

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/W4GPP6CDVKSJGD6ZZCNQGFN4HA \
  | 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: b70cf7f843aaa4930fd9c89b0315bc38063e4d5329e7cf27b8baed31d929fb1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aedb0bd7de4f5cbda63e0775401166eef16ebf2621dff50371382f1eb6b8af3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2010-01-27T21:41:07Z",
    "title_canon_sha256": "6878f0e49bf880460f3d52ebc0aee2d206b53e3149ca01755f4c3f074a510e35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5047",
    "kind": "arxiv",
    "version": 1
  }
}