Pith Number

pith:X4Q44ENH

pith:2012:X4Q44ENHNTBVVG2BE4KIJN5IOV

not attested not anchored not stored refs pending

Coherence-based Partial Exact Recovery Condition for OMP/OLS

Cedric Herzet, Charles Soussen, Jerome Idier, Remi Gribonval

arxiv:1211.7283 v1 · 2012-11-30 · cs.IT · math.IT · physics.data-an · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4Q44ENHNTBVVG2BE4KIJN5IOV}

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	2026-05-18T03:39:31.036042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf21ce11a76cc35a9b41271484b7a8754c7d4411b27c200edcf799d836b88ae8

Aliases

arxiv: 1211.7283 · arxiv_version: 1211.7283v1 · doi: 10.48550/arxiv.1211.7283 · pith_short_12: X4Q44ENHNTBV · pith_short_16: X4Q44ENHNTBVVG2B · pith_short_8: X4Q44ENH

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/X4Q44ENHNTBVVG2BE4KIJN5IOV \
  | 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: bf21ce11a76cc35a9b41271484b7a8754c7d4411b27c200edcf799d836b88ae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5c927202a4c706aa64dfcd2e81e213e2586cee69913f6a3a8e412218e806fdc",
    "cross_cats_sorted": [
      "math.IT",
      "physics.data-an",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-11-30T15:11:24Z",
    "title_canon_sha256": "ff18a2912d46ba5ec262c4ea49bf8a9bd7d565106d4c844c18b40c7fe29bda10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.7283",
    "kind": "arxiv",
    "version": 1
  }
}