Pith Number

pith:5PWFMQJT

pith:2025:5PWFMQJT2RG2UGQVHC2TBTCRQV

not attested not anchored not stored refs pending

Mathematical and numerical study of symmetry and positivity of the tensor-valued spring constant defined from P1-FEM for two- and three-dimensional linear elasticity

Hirofumi Notsu, Masato Kimura, Oussama Ounissi

arxiv:2509.10335 v1 · 2025-09-12 · 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{5PWFMQJT2RG2UGQVHC2TBTCRQV}

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	2026-06-11T01:09:16.912781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebec564133d44daa1a1538b530cc51854ec626bbdc32f793a8910cc7464f73df

Aliases

arxiv: 2509.10335 · arxiv_version: 2509.10335v1 · doi: 10.48550/arxiv.2509.10335 · pith_short_12: 5PWFMQJT2RG2 · pith_short_16: 5PWFMQJT2RG2UGQV · pith_short_8: 5PWFMQJT

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/5PWFMQJT2RG2UGQVHC2TBTCRQV \
  | 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: ebec564133d44daa1a1538b530cc51854ec626bbdc32f793a8910cc7464f73df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a16f1e53d047d1d4574c601f57a3ce2df6d1a31cb82d45ec21beb7821d611d9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-09-12T15:16:04Z",
    "title_canon_sha256": "d602c0346d86af8171152ec2c3cf1c257a62c1c5d7809040e167fb6944c439f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10335",
    "kind": "arxiv",
    "version": 1
  }
}