Pith Number

pith:B7GCNDD3

pith:2019:B7GCNDD3JSGH5OJ34MGLVBSXK3

not attested not anchored not stored refs pending

Doubly-Adaptive Artificial Compression Methods for Incompressible Flow

Michael McLaughlin, William Layton

arxiv:1907.08235 v1 · 2019-07-18 · 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{B7GCNDD3JSGH5OJ34MGLVBSXK3}

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	2026-05-17T23:40:10.482417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fcc268c7b4c8c7eb93be30cba865756df64c64aef140bc64e435bf6fb4877f7

Aliases

arxiv: 1907.08235 · arxiv_version: 1907.08235v1 · doi: 10.48550/arxiv.1907.08235 · pith_short_12: B7GCNDD3JSGH · pith_short_16: B7GCNDD3JSGH5OJ3 · pith_short_8: B7GCNDD3

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/B7GCNDD3JSGH5OJ34MGLVBSXK3 \
  | 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: 0fcc268c7b4c8c7eb93be30cba865756df64c64aef140bc64e435bf6fb4877f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22a8c0666f22b3f2260eeb5b4a56f41d5bcb29685a7933acb7f0e34a35bf35f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-18T18:31:37Z",
    "title_canon_sha256": "b1a53bb64715c3d2988b84830a8451edb1092754c4e775c26e549618d0d2bd35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08235",
    "kind": "arxiv",
    "version": 1
  }
}