Pith Number

pith:4IK6IMX6

pith:2025:4IK6IMX6S4P3S4KEJECIA7YQTH

not attested not anchored not stored refs pending

Sky Background Building of Multi-objective Fiber spectra Based on Mutual Information Network

Ali Luo, Haifeng Yang, Hui Zhang, Jianghui Cai, Lichan Zhou, Qin Han, Xiao Kong, Yuqing Yang, Zhichao Ding

arxiv:2508.19875 v1 · 2025-08-27 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IK6IMX6S4P3S4KEJECIA7YQTH}

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	2026-07-05T12:00:19.243244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e215e432fe971fb971444904807f1099dfe030db05645863a9e0626fbd252e76

Aliases

arxiv: 2508.19875 · arxiv_version: 2508.19875v1 · doi: 10.48550/arxiv.2508.19875 · pith_short_12: 4IK6IMX6S4P3 · pith_short_16: 4IK6IMX6S4P3S4KE · pith_short_8: 4IK6IMX6

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/4IK6IMX6S4P3S4KEJECIA7YQTH \
  | 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: e215e432fe971fb971444904807f1099dfe030db05645863a9e0626fbd252e76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c4cc1563d5cb2346af70796500e14797ee4ca5636f6262b4bf5a9fc1be4fdd5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-27T13:36:12Z",
    "title_canon_sha256": "5a8bd6b22f4faac8313e293e36a5521109acd1e45754f46d56492ab0e6458b94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19875",
    "kind": "arxiv",
    "version": 1
  }
}