Pith Number

pith:272M3MEV

pith:2026:272M3MEVL6RBBGAY7GW5STRQGO

not attested not anchored not stored refs pending

SPA-MAE: A Physics-Guided CSI Foundation Model for Wireless Physical Layer

Chen Chen, Hengtao He, Shi Jin, Weijie Jin, Xiaoheng Sun

arxiv:2605.19849 v1 · 2026-05-19 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{272M3MEVL6RBBGAY7GW5STRQGO}

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	2026-05-20T01:06:17.553891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7f4cdb0955fa2109818f9add94e30339dbbed99810550d1f9a0628c899937c5

Aliases

arxiv: 2605.19849 · arxiv_version: 2605.19849v1 · doi: 10.48550/arxiv.2605.19849 · pith_short_12: 272M3MEVL6RB · pith_short_16: 272M3MEVL6RBBGAY · pith_short_8: 272M3MEV

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/272M3MEVL6RBBGAY7GW5STRQGO \
  | 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: d7f4cdb0955fa2109818f9add94e30339dbbed99810550d1f9a0628c899937c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc15f1883bcdd862bfea894a473af9d02b75b19a2d8abac0c132577e3ea072c4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-05-19T13:43:14Z",
    "title_canon_sha256": "e65c342cd1b498297813231f0f2069f768b664944fd2d590fcf7fde6fd083f19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19849",
    "kind": "arxiv",
    "version": 1
  }
}