Pith Number

pith:U6AGMNA7

pith:2019:U6AGMNA7AC53D7O2JFHUWFPAEI

not attested not anchored not stored refs pending

Incremental Learning from Scratch for Task-Oriented Dialogue Systems

Chengqing Zong, Jiajun Zhang, Mei-Yuh Hwang, Qian Li, Weikang Wang, Zhifei Li

arxiv:1906.04991 v1 · 2019-06-12 · 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{U6AGMNA7AC53D7O2JFHUWFPAEI}

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	2026-05-17T23:43:29.838812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78066341f00bbb1fdda494f4b15e0221bb760d089670df4f79e6912e38265d8

Aliases

arxiv: 1906.04991 · arxiv_version: 1906.04991v1 · doi: 10.48550/arxiv.1906.04991 · pith_short_12: U6AGMNA7AC53 · pith_short_16: U6AGMNA7AC53D7O2 · pith_short_8: U6AGMNA7

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/U6AGMNA7AC53D7O2JFHUWFPAEI \
  | 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: a78066341f00bbb1fdda494f4b15e0221bb760d089670df4f79e6912e38265d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "755efe69b5c8ef72a0f90cd71456860a3433c37ea6ef1043193e3914d0c76873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-12T08:08:38Z",
    "title_canon_sha256": "619d21102900bb58738296267a360dbb88ee5d55e1b99e42a2619322195f5ac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04991",
    "kind": "arxiv",
    "version": 1
  }
}