Pith Number

pith:JQCUA4B3

pith:2019:JQCUA4B3M44D24DLGYUADDW3ZD

not attested not anchored not stored refs pending

Hierarchical Pointer Net Parsing

Lidong Bing, Linlin Liu, Shafiq Joty, Simeng Han, Xiang Lin

arxiv:1908.11571 v1 · 2019-08-30 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQCUA4B3M44D24DLGYUADDW3ZD}

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	2026-07-05T05:08:24.077296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c0540703b67383d706b3628018edbc8cc9e860f018f3b163c347f8a9a2a1998

Aliases

arxiv: 1908.11571 · arxiv_version: 1908.11571v1 · doi: 10.48550/arxiv.1908.11571 · pith_short_12: JQCUA4B3M44D · pith_short_16: JQCUA4B3M44D24DL · pith_short_8: JQCUA4B3

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/JQCUA4B3M44D24DLGYUADDW3ZD \
  | 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: 4c0540703b67383d706b3628018edbc8cc9e860f018f3b163c347f8a9a2a1998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08d248e69c6cb91235aa77f72b382c73f7b12d65ab776a6743542a5eac5dd703",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-30T07:22:43Z",
    "title_canon_sha256": "7f3c1b244e152afa96496d346b856d82dbccadbaf3b5533ab08621ccdd25104f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11571",
    "kind": "arxiv",
    "version": 1
  }
}