Pith Number

pith:4BIX37NT

pith:2014:4BIX37NTLRDUD2ZVPQZG5W2DTE

not attested not anchored not stored refs pending

Near optimal compressed sensing without priors: Parametric SURE Approximate Message Passing

Chunli Guo, Mike E. Davies

arxiv:1409.0440 v1 · 2014-08-12 · 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{4BIX37NTLRDUD2ZVPQZG5W2DTE}

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	2026-05-18T01:42:11.217047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0517dfdb35c4741eb357c326edb43993565b3129b204b67fdeac5600d0520a8

Aliases

arxiv: 1409.0440 · arxiv_version: 1409.0440v1 · doi: 10.48550/arxiv.1409.0440 · pith_short_12: 4BIX37NTLRDU · pith_short_16: 4BIX37NTLRDUD2ZV · pith_short_8: 4BIX37NT

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/4BIX37NTLRDUD2ZVPQZG5W2DTE \
  | 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: e0517dfdb35c4741eb357c326edb43993565b3129b204b67fdeac5600d0520a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db6222955a181d15370f669a860f50f119fd29a70f18b793195533f382075c36",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-08-12T17:16:38Z",
    "title_canon_sha256": "e0e417905bd24a147ee43fdf55e77fae3a50c1e7a98b6ba1022ff8cd2f5dbd7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0440",
    "kind": "arxiv",
    "version": 1
  }
}