Pith Number

pith:CXTWYF5K

pith:2016:CXTWYF5KQ6IBL7IA7BW56ISJLO

not attested not anchored not stored refs pending

Coordination Annotation Extension in the Penn Tree Bank

Jessica Ficler, Yoav Goldberg

arxiv:1606.02529 v1 · 2016-06-08 · 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{CXTWYF5KQ6IBL7IA7BW56ISJLO}

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	2026-05-18T01:12:41.130813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15e76c17aa879015fd00f86ddf22495b968bb574a5a66bb0f1b5160770728fbb

Aliases

arxiv: 1606.02529 · arxiv_version: 1606.02529v1 · doi: 10.48550/arxiv.1606.02529 · pith_short_12: CXTWYF5KQ6IB · pith_short_16: CXTWYF5KQ6IBL7IA · pith_short_8: CXTWYF5K

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/CXTWYF5KQ6IBL7IA7BW56ISJLO \
  | 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: 15e76c17aa879015fd00f86ddf22495b968bb574a5a66bb0f1b5160770728fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c2bdfc4359d9f714e1f36ed0560bc259dbdaba489f2e77b45cce4dca432138",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-06-08T12:44:51Z",
    "title_canon_sha256": "709ee21c9c6cb8ccabfbdcafff63759c7f349bf232b075a3406c67f09a272f36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02529",
    "kind": "arxiv",
    "version": 1
  }
}