Pith Number

pith:NZKFLE7T

pith:2023:NZKFLE7T4UZ5BBQQEWS2BZOIEA

not attested not anchored not stored refs pending

Constrained Local Approximate Ideal Restriction for Advection-Diffusion Problems

Ahsan Ali, Ben S. Southworth, Jacob B. Schroder, James Brannick, Karsten Kahl, Oliver A. Krzysik

arxiv:2307.00229 v2 · 2023-07-01 · math.NA · cs.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{NZKFLE7T4UZ5BBQQEWS2BZOIEA}

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	2026-07-05T08:19:06.946370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e545593f3e533d0861025a5a0e5c82005c4b2f70c69327821cd3dba2f7063d3

Aliases

arxiv: 2307.00229 · arxiv_version: 2307.00229v2 · doi: 10.48550/arxiv.2307.00229 · pith_short_12: NZKFLE7T4UZ5 · pith_short_16: NZKFLE7T4UZ5BBQQ · pith_short_8: NZKFLE7T

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/NZKFLE7T4UZ5BBQQEWS2BZOIEA \
  | 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: 6e545593f3e533d0861025a5a0e5c82005c4b2f70c69327821cd3dba2f7063d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "543842f2b1fbec111949acd1aacedefc9db1adac0fcce2aa94805ca8fc38d522",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-07-01T05:34:14Z",
    "title_canon_sha256": "0a8770738d32edcc46e8de58f8cd92c0a935b5d6a7429096a1c1103927fe0239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.00229",
    "kind": "arxiv",
    "version": 2
  }
}