Pith Number

pith:PW3KYIVZ

pith:2021:PW3KYIVZVTY662YFBUQ2XBHC5M

not attested not anchored not stored refs pending

Robust recovery of bandlimited graph signals via randomized dynamical sampling

Deanna Needell, Longxiu Huang, Sui Tang

arxiv:2109.14079 v2 · 2021-09-28 · cs.IT · cs.NA · math.IT · math.NA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PW3KYIVZVTY662YFBUQ2XBHC5M}

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.

Cited by

1 paper in Pith

Shift-invariant spaces, bandlimited spaces and reproducing kernel spaces with shift-invariant kernels on undirected finite graphs

Receipt and verification

First computed	2026-07-05T03:19:46.698678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7db6ac22b9acf1ef6b050d21ab84e2eb24f0d8c21b28a815fd9792632c4a3236

Aliases

arxiv: 2109.14079 · arxiv_version: 2109.14079v2 · doi: 10.48550/arxiv.2109.14079 · pith_short_12: PW3KYIVZVTY6 · pith_short_16: PW3KYIVZVTY662YF · pith_short_8: PW3KYIVZ

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/PW3KYIVZVTY662YFBUQ2XBHC5M \
  | 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: 7db6ac22b9acf1ef6b050d21ab84e2eb24f0d8c21b28a815fd9792632c4a3236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b94a1e6491bacb8db8dcd1b77705e994e6054456c8668b4bc58ad743c13d1dc1",
    "cross_cats_sorted": [
      "cs.NA",
      "math.IT",
      "math.NA",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-09-28T22:44:11Z",
    "title_canon_sha256": "b32b3f8e4bee195a8ae34e398ad9e1fa04320de609e48d0f91d6c639c6c45f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14079",
    "kind": "arxiv",
    "version": 2
  }
}