Pith Number

pith:4POQZFEJ

pith:2011:4POQZFEJEOCKAJV5KAS336ZXZG

not attested not anchored not stored refs pending

Sparse Recovery, Kashin Decomposition and Conic Programming

Alexandre d'Aspremont

arxiv:1101.3027 v1 · 2011-01-15 · 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{4POQZFEJEOCKAJV5KAS336ZXZG}

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	2026-05-18T02:22:57.147389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3dd0c94892384a026bd5025bdfb37c9995234262dd4c0238c3f73b6c768843d

Aliases

arxiv: 1101.3027 · arxiv_version: 1101.3027v1 · doi: 10.48550/arxiv.1101.3027 · pith_short_12: 4POQZFEJEOCK · pith_short_16: 4POQZFEJEOCKAJV5 · pith_short_8: 4POQZFEJ

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/4POQZFEJEOCKAJV5KAS336ZXZG \
  | 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: e3dd0c94892384a026bd5025bdfb37c9995234262dd4c0238c3f73b6c768843d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb2b4e312b9ce1ad8daac0682ae8006cff3f12ef055c3e06d68e8783bf5d325",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-01-15T22:18:24Z",
    "title_canon_sha256": "6b111a1d449041b222bf10c3ff16f9fef44bd8c2139eb63aa111c1ebf61115fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3027",
    "kind": "arxiv",
    "version": 1
  }
}