Pith Number

pith:KLZ6FPLP

pith:2021:KLZ6FPLPNCUZI4EWDUABJZO5AJ

not attested not anchored not stored refs pending

Self-supervised Contrastive Cross-Modality Representation Learning for Spoken Question Answering

Chenyu You, Nuo Chen, Yuexian Zou

arxiv:2109.03381 v1 · 2021-09-08 · cs.CL · cs.AI · cs.LG · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLZ6FPLPNCUZI4EWDUABJZO5AJ}

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	2026-07-05T03:12:30.386669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52f3e2bd6f68a99470961d0014e5dd0257074e27859aaf941a387c0947133a7f

Aliases

arxiv: 2109.03381 · arxiv_version: 2109.03381v1 · doi: 10.48550/arxiv.2109.03381 · pith_short_12: KLZ6FPLPNCUZ · pith_short_16: KLZ6FPLPNCUZI4EW · pith_short_8: KLZ6FPLP

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/KLZ6FPLPNCUZI4EWDUABJZO5AJ \
  | 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: 52f3e2bd6f68a99470961d0014e5dd0257074e27859aaf941a387c0947133a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403f7b7d729467afdc00850ae5506e100e9a1380bf0d6add165288c5f419353d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "cs.SD",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-08T01:13:14Z",
    "title_canon_sha256": "c4423d51eeb29d2be95b1988d107a5ae4f85a26b42cd975b26c0514deca317f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03381",
    "kind": "arxiv",
    "version": 1
  }
}