Pith Number

pith:VQKX6JT6

pith:2017:VQKX6JT6IA453QYGZPFW7JCTT6

not attested not anchored not stored refs pending

Approximation of Non-Decaying Signals From Shift-Invariant Subspaces

Ha Q. Nguyen, Michael Unser

arxiv:1705.05601 v1 · 2017-05-16 · 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{VQKX6JT6IA453QYGZPFW7JCTT6}

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	2026-05-18T00:44:20.651774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac157f267e4039ddc306cbcb6fa4539f862e46d6135e2e82ddea101f375ce9e3

Aliases

arxiv: 1705.05601 · arxiv_version: 1705.05601v1 · doi: 10.48550/arxiv.1705.05601 · pith_short_12: VQKX6JT6IA45 · pith_short_16: VQKX6JT6IA453QYG · pith_short_8: VQKX6JT6

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/VQKX6JT6IA453QYGZPFW7JCTT6 \
  | 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: ac157f267e4039ddc306cbcb6fa4539f862e46d6135e2e82ddea101f375ce9e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583bfea522628603a70ef6bbcc16f371af7d4a4058ab653a90c685ff7c9b31c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-05-16T09:05:13Z",
    "title_canon_sha256": "5e3402ce4769d4058935817fd0bdf25629e774b57dc3eff15bf3a06436c48f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05601",
    "kind": "arxiv",
    "version": 1
  }
}