Pith Number

pith:EZ53DGH3

pith:2012:EZ53DGH3FKDVEYTZ5RRSELDEII

not attested not anchored not stored refs pending

Spatially inhomogeneous linear inverse problems with possible singularities

Marianna Pensky

arxiv:1206.4340 v5 · 2012-06-19 · math.ST · math.FA · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZ53DGH3FKDVEYTZ5RRSELDEII}

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	2026-05-18T03:05:35.829042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267bb198fb2a87526279ec63222c64422825aef84178d6cb983a041635c05270

Aliases

arxiv: 1206.4340 · arxiv_version: 1206.4340v5 · doi: 10.48550/arxiv.1206.4340 · pith_short_12: EZ53DGH3FKDV · pith_short_16: EZ53DGH3FKDVEYTZ · pith_short_8: EZ53DGH3

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/EZ53DGH3FKDVEYTZ5RRSELDEII \
  | 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: 267bb198fb2a87526279ec63222c64422825aef84178d6cb983a041635c05270

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245d805189c37a3b94a9317918b285f47884a8909b0b0ed6fdb6e2d9e4616fc6",
    "cross_cats_sorted": [
      "math.FA",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-06-19T20:56:56Z",
    "title_canon_sha256": "05e6691b404c47d59fbe6c24964b0b430b0d0ae04bbef1c05b9d6bed471fee5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4340",
    "kind": "arxiv",
    "version": 5
  }
}