Pith Number

pith:PEGYPE54

pith:2019:PEGYPE54Y5VOY55HFZJBXWFY3E

not attested not anchored not stored refs pending

Supervised Transfer Learning for Product Information Question Answering

Nedim Lipka, Sheng Li, Trung Bui, Tuan Manh Lai

arxiv:1901.02539 v1 · 2019-01-08 · 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{PEGYPE54Y5VOY55HFZJBXWFY3E}

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	2026-05-17T23:56:40.243113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790d8793bcc76aec77a72e521bd8b8d9379a45203e308d9690fb8e502fb224ce

Aliases

arxiv: 1901.02539 · arxiv_version: 1901.02539v1 · doi: 10.48550/arxiv.1901.02539 · pith_short_12: PEGYPE54Y5VO · pith_short_16: PEGYPE54Y5VOY55H · pith_short_8: PEGYPE54

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/PEGYPE54Y5VOY55HFZJBXWFY3E \
  | 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: 790d8793bcc76aec77a72e521bd8b8d9379a45203e308d9690fb8e502fb224ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6152e3b7871f3c253676795af53915d513d27a437f6b8d9bd95ae5c7ff97f836",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-08T22:24:59Z",
    "title_canon_sha256": "a08918a9fadd1ec25c639fb16768f039dbff5b2b1ef6fe69129c159f3a46ef31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02539",
    "kind": "arxiv",
    "version": 1
  }
}