Pith Number

pith:X3LIFWQ2

pith:2026:X3LIFWQ2BD76XWT32NXK3KPLOE

not attested not anchored not stored refs pending

Embedded Trefftz DG method for steady Navier-Stokes flow. Part I: Oseen linearization

Christoph Lehrenfeld, Igor Voulis, Paul Stocker, Philip L. Lederer

arxiv:2606.13229 v1 · 2026-06-11 · 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{X3LIFWQ2BD76XWT32NXK3KPLOE}

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	2026-06-12T01:09:47.727459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed682da1a08ffebda7bd36eada9eb712636e2e4f58dfaf61538be4bd064e392

Aliases

arxiv: 2606.13229 · arxiv_version: 2606.13229v1 · doi: 10.48550/arxiv.2606.13229 · pith_short_12: X3LIFWQ2BD76 · pith_short_16: X3LIFWQ2BD76XWT3 · pith_short_8: X3LIFWQ2

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/X3LIFWQ2BD76XWT32NXK3KPLOE \
  | 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: bed682da1a08ffebda7bd36eada9eb712636e2e4f58dfaf61538be4bd064e392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9385fe3b8c2ef01b3a260e9efeb745a31463a9ae21c3aae3ed6f8253a6c7c6d6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-11T11:43:30Z",
    "title_canon_sha256": "5d297cbfb3f6a332c3e2998dd3cf7964877e0c6b0235bc739cce7e0368ad291d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.13229",
    "kind": "arxiv",
    "version": 1
  }
}