Pith Number

pith:IYSMWOAX

pith:2014:IYSMWOAX5TTGBA5TNUGUTSWYEH

not attested not anchored not stored refs pending

Application of the $\chi^2$ principle and unbiased predictive risk estimator for determining the regularization parameter in 3D focusing gravity inversion

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

arxiv:1408.0712 v1 · 2014-08-04 · math.NA · cs.NA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYSMWOAX5TTGBA5TNUGUTSWYEH}

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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	2026-06-04T16:08:41.628793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4624cb3817ece66083b36d0d49cad821ed453e78550111e70c721f6c98668173

Aliases

arxiv: 1408.0712 · arxiv_version: 1408.0712v1 · doi: 10.48550/arxiv.1408.0712 · pith_short_12: IYSMWOAX5TTG · pith_short_16: IYSMWOAX5TTGBA5T · pith_short_8: IYSMWOAX

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/IYSMWOAX5TTGBA5TNUGUTSWYEH \
  | 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: 4624cb3817ece66083b36d0d49cad821ed453e78550111e70c721f6c98668173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2859ffd8ea238472bf8998ca35dcfc438aae14df205dc1260f8fc0f46a25e50",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-08-04T15:40:47Z",
    "title_canon_sha256": "07710262fe54028b8c8ddbedd70634dac079d377f7c8f4de6af1e9e7cf1f3975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0712",
    "kind": "arxiv",
    "version": 1
  }
}