Pith Number

pith:52QTEYOO

pith:2017:52QTEYOOCMLAJIZ25VTSJBBOIV

not attested not anchored not stored refs pending

Total variation regularization of the $3$-D gravity inverse problem using a randomized generalized singular value decomposition

Rosemary A. Renaut, Saeed Vatankhah, Vahid E. Ardestani

arxiv:1709.08125 v1 · 2017-09-23 · math.NA · cs.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{52QTEYOOCMLAJIZ25VTSJBBOIV}

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	2026-06-04T19:11:00.967828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eea13261ce131604a33aed6724842e45724d940cd5ddb7acb256a9c0e1d33278

Aliases

arxiv: 1709.08125 · arxiv_version: 1709.08125v1 · doi: 10.48550/arxiv.1709.08125 · pith_short_12: 52QTEYOOCMLA · pith_short_16: 52QTEYOOCMLAJIZ2 · pith_short_8: 52QTEYOO

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/52QTEYOOCMLAJIZ25VTSJBBOIV \
  | 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: eea13261ce131604a33aed6724842e45724d940cd5ddb7acb256a9c0e1d33278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9233f163d7be2ce35e238adbe1ae6d88bbfceac38493b0c1429e4253cc948bf",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-23T22:58:05Z",
    "title_canon_sha256": "3937473e791bf729f13f4760eb55a708949e1de2c3b4eb6142a0157721097969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08125",
    "kind": "arxiv",
    "version": 1
  }
}