Pith Number

pith:ZNNN66IQ

pith:2015:ZNNN66IQWGJRJTAPBL3K6G54UI

not attested not anchored not stored refs pending

Infinite-dimensional compressed sensing and function interpolation

Ben Adcock

arxiv:1509.06073 v2 · 2015-09-20 · math.NA · 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{ZNNN66IQWGJRJTAPBL3K6G54UI}

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	2026-05-18T00:52:23.801882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb5adf7910b19314cc0f0af6af1bbca23f7b58956285132f3e7864ba5ba43294

Aliases

arxiv: 1509.06073 · arxiv_version: 1509.06073v2 · doi: 10.48550/arxiv.1509.06073 · pith_short_12: ZNNN66IQWGJR · pith_short_16: ZNNN66IQWGJRJTAP · pith_short_8: ZNNN66IQ

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/ZNNN66IQWGJRJTAPBL3K6G54UI \
  | 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: cb5adf7910b19314cc0f0af6af1bbca23f7b58956285132f3e7864ba5ba43294

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85919a66aef83ceb81cf845eb520fe63e83cc2015eedc34f7a3dcb2f557b1fcb",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-20T23:37:19Z",
    "title_canon_sha256": "aa1b709a08031f3eb9c807d9d4dcebd75c49a1f9d107930ff8c045fbf8043a0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06073",
    "kind": "arxiv",
    "version": 2
  }
}