Pith Number

pith:IRQ4EHWD

pith:2016:IRQ4EHWD3AP56LMA22G5D5TSGY

not attested not anchored not stored refs pending

Left-corner Methods for Syntactic Modeling with Universal Structural Constraints

Hiroshi Noji

arxiv:1608.00293 v1 · 2016-08-01 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRQ4EHWD3AP56LMA22G5D5TSGY}

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	2026-05-18T01:10:12.053683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4461c21ec3d81fdf2d80d68dd1f672363edfc25b9a205674ca80c94acc66a4f7

Aliases

arxiv: 1608.00293 · arxiv_version: 1608.00293v1 · doi: 10.48550/arxiv.1608.00293 · pith_short_12: IRQ4EHWD3AP5 · pith_short_16: IRQ4EHWD3AP56LMA · pith_short_8: IRQ4EHWD

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/IRQ4EHWD3AP56LMA22G5D5TSGY \
  | 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: 4461c21ec3d81fdf2d80d68dd1f672363edfc25b9a205674ca80c94acc66a4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e47e96063352babd9f5d6dc845fc6730aab9aa1a641024f63a1c7cd4a0547acc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-08-01T01:18:53Z",
    "title_canon_sha256": "a394a961635ac0c703f8ed9dfdb8b06bf7bef422192fcd21a1cd12c1a1518e71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00293",
    "kind": "arxiv",
    "version": 1
  }
}