Pith Number

pith:XWDG4T2L

pith:2026:XWDG4T2LKR2IREMES3WTGBJSIV

not attested not anchored not stored refs pending

High-Precision Hybrid FA-PSO Based Inversion of Building Material Parameters for Fundamental Wireless Performance Evaluation

Dan Yang, Hanqing Zhang, Jiliang Zhang, Meng Chen, Songjiang Yang, Sui Li, Tong Zhang, Yalei Zhu, Zhuowei Li, Zi-Yang Wu

arxiv:2607.12721 v1 · 2026-07-14 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWDG4T2LKR2IREMES3WTGBJSIV}

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	2026-07-15T01:22:14.392391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd866e4f4b547488918496ed3305324563bb778decc7acd16b0fec8ecaea944a

Aliases

arxiv: 2607.12721 · arxiv_version: 2607.12721v1 · doi: 10.48550/arxiv.2607.12721 · pith_short_12: XWDG4T2LKR2I · pith_short_16: XWDG4T2LKR2IREME · pith_short_8: XWDG4T2L

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/XWDG4T2LKR2IREMES3WTGBJSIV \
  | 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: bd866e4f4b547488918496ed3305324563bb778decc7acd16b0fec8ecaea944a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5441fb706ed69fb78f15dacaa6e280c17426ee10ea1d9591fe0d867d6b1323ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2026-07-14T12:46:08Z",
    "title_canon_sha256": "3be4bb9c574b6cfa974cefb6fe6e942ff5f4df2e1c4b760ce4594860bc1ca41f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12721",
    "kind": "arxiv",
    "version": 1
  }
}