Pith Number

pith:H7E3DMFR

pith:2011:H7E3DMFRNL2YWSUI37LXT2GMZI

not attested not anchored not stored refs pending

Sharp Support Recovery from Noisy Random Measurements by L1 minimization

Charles Dossal (IMB), Gabriel Peyr\'e (CEREMADE), Jalal Fadili (GREYC), Marie-Line Chabanol (IMB)

arxiv:1101.1577 v2 · 2011-01-08 · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7E3DMFRNL2YWSUI37LXT2GMZI}

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	2026-05-18T04:13:39.337262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fc9b1b0b16af58b4a88dfd779e8ccca14fc8d8de60d8b80852971cb622446c8

Aliases

arxiv: 1101.1577 · arxiv_version: 1101.1577v2 · doi: 10.48550/arxiv.1101.1577 · pith_short_12: H7E3DMFRNL2Y · pith_short_16: H7E3DMFRNL2YWSUI · pith_short_8: H7E3DMFR

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/H7E3DMFRNL2YWSUI37LXT2GMZI \
  | 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: 3fc9b1b0b16af58b4a88dfd779e8ccca14fc8d8de60d8b80852971cb622446c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cb75198f987b894109ea83dcaf34e3563778f34e7328b68060de19f7756bf88",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-01-08T08:38:31Z",
    "title_canon_sha256": "27341877c00031b90afa6da0d9a26b67d092a51a0999f0ca9eb3e8a419da1418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1577",
    "kind": "arxiv",
    "version": 2
  }
}