Pith Number

pith:BYCV66TQ

pith:2026:BYCV66TQY723CKOHJBFBGQJBQH

not attested not anchored not stored refs pending

Backward error analysis for matrix discretizations of 2-D Euler equations

Eugen Bronasco, Klas Modin

arxiv:2607.09549 v1 · 2026-07-10 · 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{BYCV66TQY723CKOHJBFBGQJBQH}

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	2026-07-13T01:20:18.889492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e055f7a70c7f5b129c7484a13412181f574afd968078e13552d9c2f71603b51

Aliases

arxiv: 2607.09549 · arxiv_version: 2607.09549v1 · doi: 10.48550/arxiv.2607.09549 · pith_short_12: BYCV66TQY723 · pith_short_16: BYCV66TQY723CKOH · pith_short_8: BYCV66TQ

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/BYCV66TQY723CKOHJBFBGQJBQH \
  | 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: 0e055f7a70c7f5b129c7484a13412181f574afd968078e13552d9c2f71603b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8de5561bad54e0f159ae1befe5164746c382e02077b970002399ec5503914ddb",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-10T15:58:51Z",
    "title_canon_sha256": "a6af797b6dff5b0dfca6a9a5eb41d73740de9b5e07dcf3e9029ccd153da962e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09549",
    "kind": "arxiv",
    "version": 1
  }
}