Pith Number

pith:V27NJC6A

pith:2013:V27NJC6ACW7WK7HK3CL6NWSU5K

not attested not anchored not stored refs pending

Jump-sparse and sparse recovery using Potts functionals

Andreas Weinmann, Laurent Demaret, Martin Storath

arxiv:1304.4373 v2 · 2013-04-16 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V27NJC6ACW7WK7HK3CL6NWSU5K}

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	2026-05-18T02:28:55.359380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aebed48bc015bf657cead897e6da54eaa81e27035253274fad1188aa2df9749c

Aliases

arxiv: 1304.4373 · arxiv_version: 1304.4373v2 · doi: 10.48550/arxiv.1304.4373 · pith_short_12: V27NJC6ACW7W · pith_short_16: V27NJC6ACW7WK7HK · pith_short_8: V27NJC6A

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/V27NJC6ACW7WK7HK3CL6NWSU5K \
  | 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: aebed48bc015bf657cead897e6da54eaa81e27035253274fad1188aa2df9749c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd71318436903847e3424f8bbb48f02c98145c16d20c23966a9bb34b56ce1c05",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-04-16T09:14:32Z",
    "title_canon_sha256": "5e75fad785d1fe66f39f70bba84b95d26792f9e00da49afb473a7b61654d74f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4373",
    "kind": "arxiv",
    "version": 2
  }
}