Pith Number

pith:YZVH7RC2

pith:2021:YZVH7RC2KMAISEHTB25PKALBDG

not attested not anchored not stored refs pending

Toward the Understanding of Deep Text Matching Models for Information Retrieval

Jiafeng Guo, Liang Pang, Lijuan Chen, Xueqi Cheng, Yanyan Lan

arxiv:2108.07081 v1 · 2021-08-16 · cs.IR · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZVH7RC2KMAISEHTB25PKALBDG}

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	2026-07-05T03:06:00.831908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c66a7fc45a53008910f30ebaf5016119b708a5aa22ac99ef062aa9adf4c95906

Aliases

arxiv: 2108.07081 · arxiv_version: 2108.07081v1 · doi: 10.48550/arxiv.2108.07081 · pith_short_12: YZVH7RC2KMAI · pith_short_16: YZVH7RC2KMAISEHT · pith_short_8: YZVH7RC2

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/YZVH7RC2KMAISEHTB25PKALBDG \
  | 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: c66a7fc45a53008910f30ebaf5016119b708a5aa22ac99ef062aa9adf4c95906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "218a8b07025949bb2b8d64c22a60bb3025ccfcfec1edd4e76e47b9135de23469",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-08-16T13:33:15Z",
    "title_canon_sha256": "e4e806220621a374788d80efa7623fb9e7683e8e9bc177f8c08b8eeb6c068077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07081",
    "kind": "arxiv",
    "version": 1
  }
}