Pith Number

pith:UDPAEBZ6

pith:2019:UDPAEBZ6Y3PTLLUGYCUALIGYYG

not attested not anchored not stored refs pending

Revisiting Semantic Representation and Tree Search for Similar Question Retrieval

Huilin Gao, Tong Guo

arxiv:1908.08326 v8 · 2019-08-22 · 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{UDPAEBZ6Y3PTLLUGYCUALIGYYG}

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	2026-07-05T00:02:40.005471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0de02073ec6df35ae86c0a805a0d8c18d2647ff5ff5589b8380af5410751377

Aliases

arxiv: 1908.08326 · arxiv_version: 1908.08326v8 · doi: 10.48550/arxiv.1908.08326 · pith_short_12: UDPAEBZ6Y3PT · pith_short_16: UDPAEBZ6Y3PTLLUG · pith_short_8: UDPAEBZ6

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/UDPAEBZ6Y3PTLLUGYCUALIGYYG \
  | 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: a0de02073ec6df35ae86c0a805a0d8c18d2647ff5ff5589b8380af5410751377

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a6d1e72d43f5af867c0b75f861976924c5f4e8399eef6df257ebe4aa07c30d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-22T11:44:12Z",
    "title_canon_sha256": "f9509f550ea82c4d344784dd50fc9c8583f8e26642660cc0b3d2e9a6b98e62fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08326",
    "kind": "arxiv",
    "version": 8
  }
}