Pith Number

pith:W4LPK55Z

pith:2017:W4LPK55ZV2MX7T2EL4HE2QPRMW

not attested not anchored not stored refs pending

Alternating Direction Implicit (ADI) schemes for a PDE-based image osmosis model

Claudio Estatico, Luca Calatroni, Nicola Garibaldi, Simone Parisotto

arxiv:1703.04453 v2 · 2017-03-13 · 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{W4LPK55ZV2MX7T2EL4HE2QPRMW}

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	2026-05-18T00:30:05.344967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b716f577b9ae997fcf445f0e4d41f165816c12d0950ebd4bd6a92a28ba677ee9

Aliases

arxiv: 1703.04453 · arxiv_version: 1703.04453v2 · doi: 10.48550/arxiv.1703.04453 · pith_short_12: W4LPK55ZV2MX · pith_short_16: W4LPK55ZV2MX7T2E · pith_short_8: W4LPK55Z

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/W4LPK55ZV2MX7T2EL4HE2QPRMW \
  | 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: b716f577b9ae997fcf445f0e4d41f165816c12d0950ebd4bd6a92a28ba677ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad4938c19b5e283ec90f3c960dfea00d32dbdcbe30bdcaa7804acc4138b1829b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-13T15:41:16Z",
    "title_canon_sha256": "1eb442fa22e32c0a61440e3ec688cce8022db61564a4929fad646757bf9a0f93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04453",
    "kind": "arxiv",
    "version": 2
  }
}