Pith Number

pith:LAGRYL4J

pith:2006:LAGRYL4JW7IWKMRVLTS2GNLFVF

not attested not anchored not stored refs pending

Recovery algorithms for vector valued data with joint sparsity constraints

Holger Rauhut, Massimo Fornasier

arxiv:math/0608124 v2 · 2006-08-04 · math.NA · cs.NA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LAGRYL4JW7IWKMRVLTS2GNLFVF}

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	2026-06-03T22:06:20.329370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

580d1c2f89b7d16532355ce5a33565a96df3c7c77106c0e7cb98faf9058bcb92

Aliases

arxiv: math/0608124 · arxiv_version: math/0608124v2 · doi: 10.48550/arxiv.math/0608124 · pith_short_12: LAGRYL4JW7IW · pith_short_16: LAGRYL4JW7IWKMRV · pith_short_8: LAGRYL4J

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/LAGRYL4JW7IWKMRVLTS2GNLFVF \
  | 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: 580d1c2f89b7d16532355ce5a33565a96df3c7c77106c0e7cb98faf9058bcb92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bd80b2c55acfeb46867d1a0820d9d030a830d519ebd099b48b93a4426244d11",
    "cross_cats_sorted": [
      "cs.NA",
      "math.FA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2006-08-04T16:42:45Z",
    "title_canon_sha256": "ea94f67110be74b727c845a54fe1efe45e08c993c6df11a134802337449e8e2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0608124",
    "kind": "arxiv",
    "version": 2
  }
}