Pith Number

pith:ETB4LMPA

pith:2018:ETB4LMPA2Z7VBI5HGRJVYIQZB6

not attested not anchored not stored refs pending

Adjoint Method to Calculate Shape Gradients of Failure Probabilaties for Turbomachinery Components

Hanno Gottschalk, Kathrin Klamroth, Mohamed Saadi, Onur Tanil Doganay, Sebastian Schmitz

arxiv:1802.05240 v1 · 2018-02-14 · 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{ETB4LMPA2Z7VBI5HGRJVYIQZB6}

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	2026-05-18T00:23:19.887248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24c3c5b1e0d67f50a3a734535c22190fbca1a2b55a0d56302d4304332e5bcb44

Aliases

arxiv: 1802.05240 · arxiv_version: 1802.05240v1 · doi: 10.48550/arxiv.1802.05240 · pith_short_12: ETB4LMPA2Z7V · pith_short_16: ETB4LMPA2Z7VBI5H · pith_short_8: ETB4LMPA

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/ETB4LMPA2Z7VBI5HGRJVYIQZB6 \
  | 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: 24c3c5b1e0d67f50a3a734535c22190fbca1a2b55a0d56302d4304332e5bcb44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6660b540efb164ec4b49084a650437ba0a69ebc6d713c385e73c22607ed50ac4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-14T18:00:37Z",
    "title_canon_sha256": "caeb9dcf9d68af58c52ee838f6c3d1851559ac499d3e75acfa156aa0a14dabad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05240",
    "kind": "arxiv",
    "version": 1
  }
}