Pith Number

pith:I34MZFEN

pith:2021:I34MZFENUQZY2GV3JDZ5FV3MGG

not attested not anchored not stored refs pending

An upwind lattice Boltzmann scheme

Megala A, S.V. Raghurama Rao

arxiv:2111.07106 v2 · 2021-11-13 · 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{I34MZFENUQZY2GV3JDZ5FV3MGG}

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	2026-07-05T03:32:28.066754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46f8cc948da4338d1abb48f3d2d76c31ad61528cec34e09f747780f666e92f65

Aliases

arxiv: 2111.07106 · arxiv_version: 2111.07106v2 · doi: 10.48550/arxiv.2111.07106 · pith_short_12: I34MZFENUQZY · pith_short_16: I34MZFENUQZY2GV3 · pith_short_8: I34MZFEN

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/I34MZFENUQZY2GV3JDZ5FV3MGG \
  | 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: 46f8cc948da4338d1abb48f3d2d76c31ad61528cec34e09f747780f666e92f65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80018320be8534384ee51902726d63d71f0f2380412eb703aee1068fd7beb8cf",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-11-13T12:41:09Z",
    "title_canon_sha256": "3c2f92c1f5f9875da01fb71e69c0c4d094e78aba94a5d850d465c15544b34acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07106",
    "kind": "arxiv",
    "version": 2
  }
}