Pith Number

pith:I5AIWCXO

pith:2022:I5AIWCXOBIRDSFVRL6EJ3VYE7P

not attested not anchored not stored refs pending

Schema-Free Dependency Parsing via Sequence Generation

Binghao Tang, Boda Lin, Jiaxin Shi, Juanzi Li, Lei Hou, Shulin Cao, Si Li, Yong Luo, Zijun Yao

arxiv:2201.12407 v1 · 2022-01-28 · 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{I5AIWCXOBIRDSFVRL6EJ3VYE7P}

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	2026-07-05T03:52:36.240117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47408b0aee0a223916b15f889dd704fbc682a4bfbe2dc32bd28d96d4f4eeda5e

Aliases

arxiv: 2201.12407 · arxiv_version: 2201.12407v1 · doi: 10.48550/arxiv.2201.12407 · pith_short_12: I5AIWCXOBIRD · pith_short_16: I5AIWCXOBIRDSFVR · pith_short_8: I5AIWCXO

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/I5AIWCXOBIRDSFVRL6EJ3VYE7P \
  | 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: 47408b0aee0a223916b15f889dd704fbc682a4bfbe2dc32bd28d96d4f4eeda5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6aad606b6b9b1f89a8de09e6a6b8de0ff9906488e53dbb68556695a5a842a39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-01-28T20:32:04Z",
    "title_canon_sha256": "961a20155aebb3213823d566bd5309871a13f1a369c1c6e8c2d013b5cc4ef266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12407",
    "kind": "arxiv",
    "version": 1
  }
}