Pith Number

pith:5HH5QF3E

pith:2013:5HH5QF3EUDZ5VENHIRKUTPBO5E

not attested not anchored not stored refs pending

The achievable performance of convex demixing

Joel A. Tropp, Michael B. McCoy

arxiv:1309.7478 v1 · 2013-09-28 · cs.IT · math.IT · 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{5HH5QF3EUDZ5VENHIRKUTPBO5E}

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	2026-05-18T03:11:58.575381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cfd81764a0f3da91a7445549bc2ee9309bd2a9cfd8a634468783789a25fb79

Aliases

arxiv: 1309.7478 · arxiv_version: 1309.7478v1 · doi: 10.48550/arxiv.1309.7478 · pith_short_12: 5HH5QF3EUDZ5 · pith_short_16: 5HH5QF3EUDZ5VENH · pith_short_8: 5HH5QF3E

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/5HH5QF3EUDZ5VENHIRKUTPBO5E \
  | 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: e9cfd81764a0f3da91a7445549bc2ee9309bd2a9cfd8a634468783789a25fb79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e8ef20f9074b318ac6551887401fd95e5df68adea213fc051da2a587539e81",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-28T17:01:13Z",
    "title_canon_sha256": "16c07c7d5420b3934559bee4081168f7c5e4e9fcd76d81ce4dccbcc6239c80db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7478",
    "kind": "arxiv",
    "version": 1
  }
}