Pith Number

pith:FN4JQLOW

pith:2026:FN4JQLOWRDENQO6MHQU5ABHXNQ

not attested not anchored not stored refs pending

WaveformQA: Benchmarking LLM Temporal Reasoning on Digital Waveforms

Daniel Cummings, Nick Vadlamudi, Yichuan Liu

arxiv:2607.20638 v1 · 2026-07-22 · cs.AI · cs.AR · 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{FN4JQLOWRDENQO6MHQU5ABHXNQ}

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	2026-07-24T00:23:27.043443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b78982dd688c8d83bcc3c29d004f76c0a30be34b3155e49e6c1f84ada7e5e99

Aliases

arxiv: 2607.20638 · arxiv_version: 2607.20638v1 · doi: 10.48550/arxiv.2607.20638 · pith_short_12: FN4JQLOWRDEN · pith_short_16: FN4JQLOWRDENQO6M · pith_short_8: FN4JQLOW

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/FN4JQLOWRDENQO6MHQU5ABHXNQ \
  | 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: 2b78982dd688c8d83bcc3c29d004f76c0a30be34b3155e49e6c1f84ada7e5e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec03016806089630e94689600ad90f62f9b321185f995b00df911f1e8524bb60",
    "cross_cats_sorted": [
      "cs.AR",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-22T18:10:07Z",
    "title_canon_sha256": "6336f26d717845f9ebdd47ce31f64a24a2fb9270ae90252f7d317ab1b9d4fdcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20638",
    "kind": "arxiv",
    "version": 1
  }
}