pith. sign in
Pith Number

pith:QYVRBMGU

pith:2013:QYVRBMGUHVLFBPDACWGZ3E2CFU
not attested not anchored not stored refs pending

Sampling Theory with Average Values on the Sierpinski Gasket

Robert J. Ravier, Robert S. Strichartz

arxiv:1308.0079 v4 · 2013-08-01 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QYVRBMGUHVLFBPDACWGZ3E2CFU}

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 2026-05-18T01:31:04.041663Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

862b10b0d43d5650bc60158d9d93422d35008d9dcd4f2e9595ccad0804577739

Aliases

arxiv: 1308.0079 · arxiv_version: 1308.0079v4 · doi: 10.48550/arxiv.1308.0079 · pith_short_12: QYVRBMGUHVLF · pith_short_16: QYVRBMGUHVLFBPDA · pith_short_8: QYVRBMGU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QYVRBMGUHVLFBPDACWGZ3E2CFU \
  | 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: 862b10b0d43d5650bc60158d9d93422d35008d9dcd4f2e9595ccad0804577739
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1d9e619947fb6daecb043d069d7ac131bfb76a8e8501a99f52507ca62369ec65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-08-01T02:14:55Z",
    "title_canon_sha256": "725adeabf6f6a10a3d596965a965dc02fff2b8b0908aedc1c937317e51444a1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0079",
    "kind": "arxiv",
    "version": 4
  }
}