Pith Number

pith:SFQWPDRK

pith:2025:SFQWPDRKAMODR2M5MF3YWPF4ST

not attested not anchored not stored refs pending

On the Spectral Properties of a Class of Planar Sierpinski Self-Affine Measures

Jia-Long Chen, Wen-Hui Ai

arxiv:2508.20809 v1 · 2025-08-28 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFQWPDRKAMODR2M5MF3YWPF4ST}

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	2026-05-17T23:39:17.663359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9161678e2a031c38e99d61778b3cbc94e3dd54fb6980779fd1ce03e0b1d4546c

Aliases

arxiv: 2508.20809 · arxiv_version: 2508.20809v1 · doi: 10.48550/arxiv.2508.20809 · pith_short_12: SFQWPDRKAMOD · pith_short_16: SFQWPDRKAMODR2M5 · pith_short_8: SFQWPDRK

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/SFQWPDRKAMODR2M5MF3YWPF4ST \
  | 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: 9161678e2a031c38e99d61778b3cbc94e3dd54fb6980779fd1ce03e0b1d4546c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72f1f608b29ddf213d29e61fd618efe4b5d8a64e865c2f495823e3fb21949d23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2025-08-28T14:10:46Z",
    "title_canon_sha256": "9d3960c568fa8c11e8cee13931497495735f14f4b256eaf1caea0629c4ce717f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20809",
    "kind": "arxiv",
    "version": 1
  }
}