Pith Number

pith:PUTGNHX2

pith:2012:PUTGNHX2SBO6NDSXTX7MNMMMIV

not attested not anchored not stored refs pending

Transition-Based Dependency Parsing With Pluggable Classifiers

Alex Rudnick

arxiv:1211.0074 v1 · 2012-11-01 · 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{PUTGNHX2SBO6NDSXTX7MNMMMIV}

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	2026-05-18T03:41:43.204916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d26669efa905de68e579dfec6b18c4555c17ea35cca8a320df7ee446bfe94aa

Aliases

arxiv: 1211.0074 · arxiv_version: 1211.0074v1 · doi: 10.48550/arxiv.1211.0074 · pith_short_12: PUTGNHX2SBO6 · pith_short_16: PUTGNHX2SBO6NDSX · pith_short_8: PUTGNHX2

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/PUTGNHX2SBO6NDSXTX7MNMMMIV \
  | 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: 7d26669efa905de68e579dfec6b18c4555c17ea35cca8a320df7ee446bfe94aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88a12868ca535872808988ce7c61a09f97af4261aa4d1eb84069532676ef6440",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-11-01T02:10:06Z",
    "title_canon_sha256": "598922bbab6d5ce7fa0441e755956e5d731de714729134927d68920e94a7fb23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0074",
    "kind": "arxiv",
    "version": 1
  }
}