Pith Number

pith:WQGYZMEV

pith:2021:WQGYZMEVIRUXW2DIFSHO7YRB4B

not attested not anchored not stored refs pending

A Survey of Knowledge Enhanced Pre-trained Models

Gang Xiao, Jian Yang, Xinyu Hu, Yulong Shen

arxiv:2110.00269 v5 · 2021-10-01 · cs.CL · 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{WQGYZMEVIRUXW2DIFSHO7YRB4B}

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	2026-07-05T07:06:17.627492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b40d8cb09544697b68682c8eefe221e06632df702a7ad2da7007b4e95c4f1ae9

Aliases

arxiv: 2110.00269 · arxiv_version: 2110.00269v5 · doi: 10.48550/arxiv.2110.00269 · pith_short_12: WQGYZMEVIRUX · pith_short_16: WQGYZMEVIRUXW2DI · pith_short_8: WQGYZMEV

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/WQGYZMEVIRUXW2DIFSHO7YRB4B \
  | 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: b40d8cb09544697b68682c8eefe221e06632df702a7ad2da7007b4e95c4f1ae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22d86306745cf62fb554ad5c6ab631aee3a9d1dcd77d15fea7e3d17545de71e5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-10-01T08:51:58Z",
    "title_canon_sha256": "3c21690efbdeff3cf4630f3af124fcc6b744f065b1582adfc021487768609645"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.00269",
    "kind": "arxiv",
    "version": 5
  }
}