Pith Number

pith:HGYDMK3Z

pith:2021:HGYDMK3ZQ4O5LJYKY2U4ZW4ZJS

not attested not anchored not stored refs pending

A Hierarchical Entity Graph Convolutional Network for Relation Extraction across Documents

Hwee Tou Ng, Tapas Nayak

arxiv:2108.09505 v1 · 2021-08-21 · 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{HGYDMK3ZQ4O5LJYKY2U4ZW4ZJS}

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	2026-07-05T03:07:54.943594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b0362b79871dd5a70ac6a9ccdb994c9fe3a4d9ff23041e2ef12d186ed5e405

Aliases

arxiv: 2108.09505 · arxiv_version: 2108.09505v1 · doi: 10.48550/arxiv.2108.09505 · pith_short_12: HGYDMK3ZQ4O5 · pith_short_16: HGYDMK3ZQ4O5LJYK · pith_short_8: HGYDMK3Z

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/HGYDMK3ZQ4O5LJYKY2U4ZW4ZJS \
  | 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: 39b0362b79871dd5a70ac6a9ccdb994c9fe3a4d9ff23041e2ef12d186ed5e405

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "485f1436dde9c01848816d0e4e7016a5991c5776959300ebb1ec0359f32ade63",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-21T12:33:50Z",
    "title_canon_sha256": "34347e2b47872dbe4b00fdf25a8e4ebfb11f1d4547926b08af7cbcaa3779382e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09505",
    "kind": "arxiv",
    "version": 1
  }
}