Pith Number

pith:MGH3HDAY

pith:2013:MGH3HDAYY474E2XVLPLE3GJKQH

not attested not anchored not stored refs pending

Convexity in source separation: Models, geometry, and algorithms

Afsaneh Asaei, Luca Baldassarre, Michael B. McCoy, Quoc Tran Dinh, Volkan Cevher

arxiv:1311.0258 v1 · 2013-11-01 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MGH3HDAYY474E2XVLPLE3GJKQH}

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	2026-05-18T01:46:39.895871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

618fb38c18c73fc26af55bd64d992a81d3f8c99067192d38d40932ab3ed3f801

Aliases

arxiv: 1311.0258 · arxiv_version: 1311.0258v1 · doi: 10.48550/arxiv.1311.0258 · pith_short_12: MGH3HDAYY474 · pith_short_16: MGH3HDAYY474E2XV · pith_short_8: MGH3HDAY

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/MGH3HDAYY474E2XVLPLE3GJKQH \
  | 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: 618fb38c18c73fc26af55bd64d992a81d3f8c99067192d38d40932ab3ed3f801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4299c0f8cfc8c40e89c445a3ba3893b9eecf29b4467b702b596c5f2461ca44c3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-01T19:04:11Z",
    "title_canon_sha256": "b43536256b2f598098fc993dbeec28341a449b5b18fcf4a92d0159410a7ea5f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0258",
    "kind": "arxiv",
    "version": 1
  }
}