Pith Number

pith:7LUFMCRC

pith:2017:7LUFMCRCAZNVBY2VRBURWDYW4L

not attested not anchored not stored refs pending

Finite Differences in Forward and Inverse Imaging Problems--MaxPol Design

Konstantinos N. Plataniotis, Mahdi S. Hosseini

arxiv:1709.08321 v1 · 2017-09-25 · math.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{7LUFMCRCAZNVBY2VRBURWDYW4L}

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	2026-05-18T00:34:25.900957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae8560a22065b50e35588691b0f16e2db8a557808b1e631b4da167a2eb82d71

Aliases

arxiv: 1709.08321 · arxiv_version: 1709.08321v1 · doi: 10.48550/arxiv.1709.08321 · pith_short_12: 7LUFMCRCAZNV · pith_short_16: 7LUFMCRCAZNVBY2V · pith_short_8: 7LUFMCRC

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/7LUFMCRCAZNVBY2VRBURWDYW4L \
  | 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: fae8560a22065b50e35588691b0f16e2db8a557808b1e631b4da167a2eb82d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f91517a7b7b81acb40995d1acf2d1e07de4f14490d502b265536e30bf9138b78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-25T05:16:35Z",
    "title_canon_sha256": "7861b7e57897c2265cca6161523b916287944cf26abe9a97a84b5605993f54fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08321",
    "kind": "arxiv",
    "version": 1
  }
}