Pith Number

pith:FOH4FPZW

pith:2018:FOH4FPZWXYWCLC3CAMLOBWFU66

not attested not anchored not stored refs pending

Accelerated PDE's for efficient solution of regularized inversion problems

Anthony Yezzi, Ganesh Sundaramoorthi, Jeff Calder, Minas Benyamin

arxiv:1810.00410 v1 · 2018-09-30 · cs.NA · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOH4FPZWXYWCLC3CAMLOBWFU66}

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	2026-05-18T00:04:27.945278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b8fc2bf36be2c258b620316e0d8b4f7bc5091a571127eb2a154fc286b1c4ae0

Aliases

arxiv: 1810.00410 · arxiv_version: 1810.00410v1 · doi: 10.48550/arxiv.1810.00410 · pith_short_12: FOH4FPZWXYWC · pith_short_16: FOH4FPZWXYWCLC3C · pith_short_8: FOH4FPZW

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/FOH4FPZWXYWCLC3CAMLOBWFU66 \
  | 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: 2b8fc2bf36be2c258b620316e0d8b4f7bc5091a571127eb2a154fc286b1c4ae0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecc78a3041d00a4dd37e6bc411dff815e3926913156fb3b66f4780585f4fb23a",
    "cross_cats_sorted": [
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2018-09-30T15:50:21Z",
    "title_canon_sha256": "0c3d0207193356c74db4d7f0071f218d5c499b7d65a15aa2e8f29e0336ec985f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00410",
    "kind": "arxiv",
    "version": 1
  }
}