Pith Number

pith:UYBPTLO5

pith:2021:UYBPTLO5LWVDOF2IMKTBPMDCW7

not attested not anchored not stored refs pending

Utilizing the Structure of the Curvelet Transform with Compressed Sensing

Nicholas Dwork, Peder E. Z. Larson

arxiv:2107.11664 v2 · 2021-07-24 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYBPTLO5LWVDOF2IMKTBPMDCW7}

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	2026-07-05T05:23:06.930569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a602f9addd5daa37174862a617b062b7e7c6369e1d5c5a6818ae808947c852b8

Aliases

arxiv: 2107.11664 · arxiv_version: 2107.11664v2 · doi: 10.48550/arxiv.2107.11664 · pith_short_12: UYBPTLO5LWVD · pith_short_16: UYBPTLO5LWVDOF2I · pith_short_8: UYBPTLO5

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/UYBPTLO5LWVDOF2IMKTBPMDCW7 \
  | 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: a602f9addd5daa37174862a617b062b7e7c6369e1d5c5a6818ae808947c852b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57dc8daf1b8f23c312ba9279d831f7716c15e0dcab84c4bc31b06f988c26dbcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-07-24T17:54:56Z",
    "title_canon_sha256": "8c6a3f87eab867f98d3ca326db23eabbfebc248d3d0717bb04d35526a87c9307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11664",
    "kind": "arxiv",
    "version": 2
  }
}