Pith Number

pith:SNEF744D

pith:2021:SNEF744DWOFXOWQW32SDV3VWUE

not attested not anchored not stored refs pending

Algebraic compressed sensing

Fulvio Gesmundo, Mateusz Micha{\l}ek, Nick Vannieuwenhoven, Paul Breiding

arxiv:2108.13208 v2 · 2021-08-30 · math.NA · cs.IT · cs.NA · math.AG · 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{SNEF744DWOFXOWQW32SDV3VWUE}

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.

Cited by

1 paper in Pith

Finite-Probe Total-Variation Certificates for Finite-Basis Drifting Models

Receipt and verification

First computed	2026-07-05T08:37:59.841843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93485ff383b38b775a16dea43aeeb6a1050f7768d37ed75c79f5b54b308f16b3

Aliases

arxiv: 2108.13208 · arxiv_version: 2108.13208v2 · doi: 10.48550/arxiv.2108.13208 · pith_short_12: SNEF744DWOFX · pith_short_16: SNEF744DWOFXOWQW · pith_short_8: SNEF744D

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/SNEF744DWOFXOWQW32SDV3VWUE \
  | 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: 93485ff383b38b775a16dea43aeeb6a1050f7768d37ed75c79f5b54b308f16b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f628efe2865de3d7e6d44f9bed114d2d51d4df29980fc93dd22a1aaf70c4fd18",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NA",
      "math.AG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-08-30T13:03:03Z",
    "title_canon_sha256": "a975dd9c6986eee64f0623f5be7b1168623d5c66a16530ab3d706a6a456f66c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13208",
    "kind": "arxiv",
    "version": 2
  }
}