Pith Number

pith:CT5L2YJR

pith:2019:CT5L2YJRNHUVVUAPTEZJXCV55H

not attested not anchored not stored refs pending

HiGRU: Hierarchical Gated Recurrent Units for Utterance-level Emotion Recognition

Haiqin Yang, Irwin King, Michael R. Lyu, Wenxiang Jiao

arxiv:1904.04446 v1 · 2019-04-09 · 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{CT5L2YJRNHUVVUAPTEZJXCV55H}

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	2026-05-17T23:48:58.991515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14fabd613169e95ad00f99329b8abde9cbeb81444dff63a197a89239b293f76f

Aliases

arxiv: 1904.04446 · arxiv_version: 1904.04446v1 · doi: 10.48550/arxiv.1904.04446 · pith_short_12: CT5L2YJRNHUV · pith_short_16: CT5L2YJRNHUVVUAP · pith_short_8: CT5L2YJR

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/CT5L2YJRNHUVVUAPTEZJXCV55H \
  | 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: 14fabd613169e95ad00f99329b8abde9cbeb81444dff63a197a89239b293f76f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3160e70e460ffabeaf557ae0d574e57a6586f50c76179ff738b1dfc479c64cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-09T03:25:53Z",
    "title_canon_sha256": "4ce3ef734bfa1d8df86d7977b9230e637e9bc39445abfed0badeb7140ba7cf1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04446",
    "kind": "arxiv",
    "version": 1
  }
}