Pith Number

pith:LXHP32G5

pith:2017:LXHP32G5H5XDVHMJXEYVBPPC4F

not attested not anchored not stored refs pending

Arc-Standard Spinal Parsing with Stack-LSTMs

Miguel Ballesteros, Xavier Carreras

arxiv:1709.00489 v1 · 2017-09-01 · 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{LXHP32G5H5XDVHMJXEYVBPPC4F}

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	2026-05-18T00:36:07.926995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dcefde8dd3f6e3a9d89b93150bde2e15107373bedb199062e47322d81010065

Aliases

arxiv: 1709.00489 · arxiv_version: 1709.00489v1 · doi: 10.48550/arxiv.1709.00489 · pith_short_12: LXHP32G5H5XD · pith_short_16: LXHP32G5H5XDVHMJ · pith_short_8: LXHP32G5

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/LXHP32G5H5XDVHMJXEYVBPPC4F \
  | 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: 5dcefde8dd3f6e3a9d89b93150bde2e15107373bedb199062e47322d81010065

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f4fd5acd94bc55957d9a07a51709d63ff67bf144b67777975c269b634ce234",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-09-01T21:38:28Z",
    "title_canon_sha256": "ec650bd24831c9dc57c528b2b21b193b327a6d2cca4b7610fa42a0bbe9b00996"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00489",
    "kind": "arxiv",
    "version": 1
  }
}