Pith Number

pith:PBSCI72O

pith:2021:PBSCI72ORHM6BRNVQSLJ5B3K7V

not attested not anchored not stored refs pending

CTAL: Pre-training Cross-modal Transformer for Audio-and-Language Representations

Hang Li, Tianqiao Liu, Wenbiao Ding, Yu Kang, Zitao Liu

arxiv:2109.00181 v1 · 2021-09-01 · cs.SD · 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{PBSCI72ORHM6BRNVQSLJ5B3K7V}

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	2026-07-05T03:10:43.574970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7864247f4e89d9e0c5b584969e876afd5117f79101d34584e8bf0eafc2b7a487

Aliases

arxiv: 2109.00181 · arxiv_version: 2109.00181v1 · doi: 10.48550/arxiv.2109.00181 · pith_short_12: PBSCI72ORHM6 · pith_short_16: PBSCI72ORHM6BRNV · pith_short_8: PBSCI72O

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/PBSCI72ORHM6BRNVQSLJ5B3K7V \
  | 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: 7864247f4e89d9e0c5b584969e876afd5117f79101d34584e8bf0eafc2b7a487

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08eea59546023abfd1a9a1b7c5c3d73d3e2de912f9c223fc5326b40d15ad81d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-09-01T04:18:19Z",
    "title_canon_sha256": "91380f0a187728085ed964cf93c2857014f8f649b2906eb28596740463390456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00181",
    "kind": "arxiv",
    "version": 1
  }
}