Pith Number

pith:EPANIYWW

pith:2013:EPANIYWWCKV3V6FBZOUKWJHU6L

not attested not anchored not stored refs pending

Quasi-Linear Compressed Sensing

Juliane Sigl, Martin Ehler, Massimo Fornasier

arxiv:1311.1642 v1 · 2013-11-07 · 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{EPANIYWWCKV3V6FBZOUKWJHU6L}

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	2026-05-18T00:36:14.702677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c0d462d612abbaf8a1cba8ab24f4f2ef009e07b0a81b0613ee96db88347795

Aliases

arxiv: 1311.1642 · arxiv_version: 1311.1642v1 · doi: 10.48550/arxiv.1311.1642 · pith_short_12: EPANIYWWCKV3 · pith_short_16: EPANIYWWCKV3V6FB · pith_short_8: EPANIYWW

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/EPANIYWWCKV3V6FBZOUKWJHU6L \
  | 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: 23c0d462d612abbaf8a1cba8ab24f4f2ef009e07b0a81b0613ee96db88347795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8efcda7211eb9c6e9f5d6ea19c8c30ea97f318e7ffc7c4f1c1d062d4d6a1ee7",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-11-07T11:21:47Z",
    "title_canon_sha256": "78f23064b8190fb15a6b3f2bc142537e347197dc877430af8ea611c75c9c2ba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1642",
    "kind": "arxiv",
    "version": 1
  }
}