Pith Number

pith:VDIJOP4E

pith:2026:VDIJOP4EW33V3742DHHNTBZ7FQ

not attested not anchored not stored refs pending

Sign Language Question Answering: A New Task, Benchmark, and Baseline for Sign Language Understanding

Kuizhuang Liu, Lei Xie, Lichen Wang, Sanglu Lu, Shiwei Gan, Xiao Liu, Yafeng Yin

arxiv:2607.27826 v1 · 2026-07-30 · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDIJOP4EW33V3742DHHNTBZ7FQ}

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	2026-07-31T01:34:24.876940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

a8d0973f84b6f75dff9a19ced9873f2c13c4b900857edb80ec5ccf05fc58d1c6

Aliases

arxiv: 2607.27826 · arxiv_version: 2607.27826v1 · doi: 10.48550/arxiv.2607.27826 · pith_short_12: VDIJOP4EW33V · pith_short_16: VDIJOP4EW33V3742 · pith_short_8: VDIJOP4E

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/VDIJOP4EW33V3742DHHNTBZ7FQ \
  | 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: a8d0973f84b6f75dff9a19ced9873f2c13c4b900857edb80ec5ccf05fc58d1c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4592f4306a5a50dabc715e91381716cde13a82a1bdb8709d76e6fd82595c37d",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-30T08:05:26Z",
    "title_canon_sha256": "ce97d2c7fbd468fe92dabf554c0924553424687bcfa55e6f393a2e0cafffa189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27826",
    "kind": "arxiv",
    "version": 1
  }
}