Pith Number

pith:J7B4ZBXX

pith:2026:J7B4ZBXXUXC4XZZK64CSI5765R

not attested not anchored not stored refs pending

Boundary-compatible interacting approximations of quasilinear PDEs on bounded domains

CaGE), Emmanuel Tr\'elat (LJLL (UMR\_7598), Thierry Paul (LYSM)

arxiv:2606.04049 v1 · 2026-06-02 · 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{J7B4ZBXXUXC4XZZK64CSI5765R}

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	2026-06-04T00:06:45.215374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc3cc86f7a5c5cbe72af7052477feec67ab1eb44b4ddb1aaeea9dadc17d0422

Aliases

arxiv: 2606.04049 · arxiv_version: 2606.04049v1 · doi: 10.48550/arxiv.2606.04049 · pith_short_12: J7B4ZBXXUXC4 · pith_short_16: J7B4ZBXXUXC4XZZK · pith_short_8: J7B4ZBXX

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/J7B4ZBXXUXC4XZZK64CSI5765R \
  | 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: 4fc3cc86f7a5c5cbe72af7052477feec67ab1eb44b4ddb1aaeea9dadc17d0422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0215e24e857f0b653127a5c01d5920b38d2c0a808ee2e4b253beef8df9504c9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-02T08:46:33Z",
    "title_canon_sha256": "9ef630f004ecc8b354ba6d59eeb0b43b60981f7419cff976f3604eb2bad64c0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04049",
    "kind": "arxiv",
    "version": 1
  }
}