Pith Number

pith:NCYRVA6D

pith:2014:NCYRVA6DINWAX2HNNZF3JC4MKG

not attested not anchored not stored refs pending

On a classical spectral optimization problem in linear elasticity

Davide Buoso, Pier Domenico Lamberti

arxiv:1412.6253 v1 · 2014-12-19 · math.OC · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCYRVA6DINWAX2HNNZF3JC4MKG}

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	2026-05-18T02:30:54.003175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b11a83c3436c0be8ed6e4bb48b8c51bec21229aec4a1e7965157f23390c7cd

Aliases

arxiv: 1412.6253 · arxiv_version: 1412.6253v1 · doi: 10.48550/arxiv.1412.6253 · pith_short_12: NCYRVA6DINWA · pith_short_16: NCYRVA6DINWAX2HN · pith_short_8: NCYRVA6D

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/NCYRVA6DINWAX2HNNZF3JC4MKG \
  | 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: 68b11a83c3436c0be8ed6e4bb48b8c51bec21229aec4a1e7965157f23390c7cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "627099fc61b21537d050c5ef8760716fcc0b6c7c9b70946b57bdb9cecead3093",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-12-19T08:40:43Z",
    "title_canon_sha256": "61df036af0f3a8ae4554dc777ea736696e622ee2dd2e2ae5f52ee08fc1e49280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6253",
    "kind": "arxiv",
    "version": 1
  }
}