Pith Number

pith:OMMO72PI

pith:2026:OMMO72PIVFHUSIAP64EYR3OBGZ

not attested not anchored not stored refs pending

Preconditioned Discontinuous Galerkin Method for Elliptic Interface Problem on Unfitted Mesh with Reconstructed Discontinuous Approximation

Fanyi Yang, Qicheng Liu, Ruo Li, Shuhai Zhao

arxiv:2605.28380 v1 · 2026-05-27 · 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{OMMO72PIVFHUSIAP64EYR3OBGZ}

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	2026-05-28T01:05:16.568337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7318efe9e8a94f49200ff70988edc136773164aa11ffb4c83e3703d15c493b11

Aliases

arxiv: 2605.28380 · arxiv_version: 2605.28380v1 · doi: 10.48550/arxiv.2605.28380 · pith_short_12: OMMO72PIVFHU · pith_short_16: OMMO72PIVFHUSIAP · pith_short_8: OMMO72PI

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/OMMO72PIVFHUSIAP64EYR3OBGZ \
  | 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: 7318efe9e8a94f49200ff70988edc136773164aa11ffb4c83e3703d15c493b11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05200b3a3264760f457d36e938edaf982bb732cc8c9f619a744237dd63c44006",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-27T12:19:11Z",
    "title_canon_sha256": "eae6e3dff9ee2f22a3325133e12ce16cad50a6ce97f5c4c4dfea5577fb924212"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28380",
    "kind": "arxiv",
    "version": 1
  }
}