Pith Number

pith:MMPQANW5

pith:2021:MMPQANW5GVCJJKY6PG4DMBSQZ3

not attested not anchored not stored refs pending

Pre-training Language Model Incorporating Domain-specific Heterogeneous Knowledge into A Unified Representation

Hao Peng, Hongyin Zhu, Jinghui Xiao, Juanzi Li, Lei Hou, Zhiheng Lyu

arxiv:2109.01048 v3 · 2021-09-02 · 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{MMPQANW5GVCJJKY6PG4DMBSQZ3}

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	2026-07-05T07:58:41.898377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

631f0036dd354494ab1e79b8360650cec93c8284c30c9756c1dd78a47ee409e9

Aliases

arxiv: 2109.01048 · arxiv_version: 2109.01048v3 · doi: 10.48550/arxiv.2109.01048 · pith_short_12: MMPQANW5GVCJ · pith_short_16: MMPQANW5GVCJJKY6 · pith_short_8: MMPQANW5

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/MMPQANW5GVCJJKY6PG4DMBSQZ3 \
  | 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: 631f0036dd354494ab1e79b8360650cec93c8284c30c9756c1dd78a47ee409e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0d06511f712f5b62dfbeb5e8a3c352f398a759d5ec0303727afc3dd108ffb17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-02T16:05:24Z",
    "title_canon_sha256": "241e7308d1ce2a593934946778e2e3f28e647adcce66c524861c74be32ec95fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01048",
    "kind": "arxiv",
    "version": 3
  }
}