Pith Number

pith:EY3UNMQ4

pith:2017:EY3UNMQ4UVYTVDDPWFXH44Y2XM

not attested not anchored not stored refs pending

An HDG method with orthogonal projections in facet integrals

Issei Oikawa

arxiv:1711.05396 v1 · 2017-11-15 · math.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{EY3UNMQ4UVYTVDDPWFXH44Y2XM}

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	2026-05-18T00:30:33.402678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263746b21ca5713a8c6fb16e7e731abb37861b9b1a1f56dd9a8cbd71a561dce6

Aliases

arxiv: 1711.05396 · arxiv_version: 1711.05396v1 · doi: 10.48550/arxiv.1711.05396 · pith_short_12: EY3UNMQ4UVYT · pith_short_16: EY3UNMQ4UVYTVDDP · pith_short_8: EY3UNMQ4

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/EY3UNMQ4UVYTVDDPWFXH44Y2XM \
  | 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: 263746b21ca5713a8c6fb16e7e731abb37861b9b1a1f56dd9a8cbd71a561dce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afa29f2ea8aaadba21929a2b7a55da67413541298aa78c35e9740471e2e8d6b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-15T03:33:06Z",
    "title_canon_sha256": "23642bad30c4480f190ceb7a7f5ec9956d656650036d9f9180a8935037236ea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05396",
    "kind": "arxiv",
    "version": 1
  }
}