Pith Number

pith:CHYHFCCA

pith:2017:CHYHFCCANYCQLTQGQ3RIVGWZWR

not attested not anchored not stored refs pending

Multi-Fidelity Surrogate Based on Single Linear Regression

Chanyoung Park, Nam-Ho Kim, Raphael T. Haftka, Yiming Zhang

arxiv:1705.02956 v1 · 2017-05-08 · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHYHFCCANYCQLTQGQ3RIVGWZWR}

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	2026-05-18T00:44:53.236396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11f07288406e0505ce0686e28a9ad9b4692fca199a9ad96549f174e7fe79171b

Aliases

arxiv: 1705.02956 · arxiv_version: 1705.02956v1 · doi: 10.48550/arxiv.1705.02956 · pith_short_12: CHYHFCCANYCQ · pith_short_16: CHYHFCCANYCQLTQG · pith_short_8: CHYHFCCA

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/CHYHFCCANYCQLTQGQ3RIVGWZWR \
  | 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: 11f07288406e0505ce0686e28a9ad9b4692fca199a9ad96549f174e7fe79171b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efef50625185f7e84b3e70bb7e8a9c1bc1622b397a563f8008365a86d2febaeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2017-05-08T16:27:51Z",
    "title_canon_sha256": "b2570742f805698953e5181e5f97b47921b41a01a45d4434dadfe8fc32394c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02956",
    "kind": "arxiv",
    "version": 1
  }
}