Pith Number

pith:7LCLBLDU

pith:2016:7LCLBLDUUKLNENXWQAWPIVRL22

not attested not anchored not stored refs pending

Boundary Treatment and Multigrid Preconditioning for Semi-Lagrangian Schemes Applied to Hamilton-Jacobi-Bellman Equations

Christoph Reisinger, Julen Rotaetxe Arto

arxiv:1605.04821 v2 · 2016-05-16 · 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{7LCLBLDUUKLNENXWQAWPIVRL22}

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	2026-05-18T01:00:09.414853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac4b0ac74a296d236f6802cf4562bd6a03fb8fe744fa019dca8e33d1fc51fff

Aliases

arxiv: 1605.04821 · arxiv_version: 1605.04821v2 · doi: 10.48550/arxiv.1605.04821 · pith_short_12: 7LCLBLDUUKLN · pith_short_16: 7LCLBLDUUKLNENXW · pith_short_8: 7LCLBLDU

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/7LCLBLDUUKLNENXWQAWPIVRL22 \
  | 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: fac4b0ac74a296d236f6802cf4562bd6a03fb8fe744fa019dca8e33d1fc51fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f6ac5daaf28cc183af3979999882f2670a44ed63a80e7f3663435127ff784a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-05-16T16:06:41Z",
    "title_canon_sha256": "0ddd6aec19c93ac6003b3ec399f22d35cbf340c4daff03a64c5dd51ff1296a50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04821",
    "kind": "arxiv",
    "version": 2
  }
}