Pith Number

pith:Y7HBBXYM

pith:2014:Y7HBBXYMW6KPYPSLGCU27DCB2X

not attested not anchored not stored refs pending

Model-based Sketching and Recovery with Expanders

Bubacarr Bah, Luca Baldassarre, Volkan Cevher

arxiv:1402.1035 v2 · 2014-02-05 · 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{Y7HBBXYMW6KPYPSLGCU27DCB2X}

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	2026-05-18T03:00:00.026522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ce10df0cb794fc3e4b30a9af8c41d5f43e51ea14518919664c07563518c3ef

Aliases

arxiv: 1402.1035 · arxiv_version: 1402.1035v2 · doi: 10.48550/arxiv.1402.1035 · pith_short_12: Y7HBBXYMW6KP · pith_short_16: Y7HBBXYMW6KPYPSL · pith_short_8: Y7HBBXYM

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/Y7HBBXYMW6KPYPSLGCU27DCB2X \
  | 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: c7ce10df0cb794fc3e4b30a9af8c41d5f43e51ea14518919664c07563518c3ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d9e2528f571922aff026e22fdc76473b36ce73d493022c9a21f45ed617df5be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-02-05T13:30:25Z",
    "title_canon_sha256": "25850932c2d6e35792af600f0691a880472e8c91c647fbade4c5078a44f35368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1035",
    "kind": "arxiv",
    "version": 2
  }
}