Pith Number

pith:36JC2F7A

pith:2026:36JC2F7AV6DZEX4CJFVB5JBKZQ

not attested not anchored not stored refs pending

SpecX: A Large-Scale Benchmark for Multi-Modal Spectroscopy and Cross-Paradigm Evaluation

Chengrui Xiang, Haowen Chen, Tengfei Ma, Tong Wang, Xiangxiang Zeng, Yujie Chen

arxiv:2605.18791 v1 · 2026-05-11 · eess.IV · cs.CV · cs.LG · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36JC2F7AV6DZEX4CJFVB5JBKZQ}

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	2026-05-20T00:06:22.506656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df922d17e0af87925f82496a1ea42acc0ef6d5c4917cb03cfb3f51ee8464944d

Aliases

arxiv: 2605.18791 · arxiv_version: 2605.18791v1 · doi: 10.48550/arxiv.2605.18791 · pith_short_12: 36JC2F7AV6DZ · pith_short_16: 36JC2F7AV6DZEX4C · pith_short_8: 36JC2F7A

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/36JC2F7AV6DZEX4CJFVB5JBKZQ \
  | 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: df922d17e0af87925f82496a1ea42acc0ef6d5c4917cb03cfb3f51ee8464944d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6750199eff54ae442be454e097daa619756bdf56b774f0dfa709fe0621574a08",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "q-bio.OT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-05-11T04:12:58Z",
    "title_canon_sha256": "73ff9e31da78d842652bdee3635d74bbfdaff6da423ff59e80eb725fa50ee9dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18791",
    "kind": "arxiv",
    "version": 1
  }
}