Pith Number

pith:W6WUJFL4

pith:2016:W6WUJFL4IJ2EF3UIQC7RAC2C3C

not attested not anchored not stored refs pending

Personalized Optimization for Computer Experiments with Environmental Inputs

Shifeng Xiong

arxiv:1607.01664 v1 · 2016-07-06 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6WUJFL4IJ2EF3UIQC7RAC2C3C}

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	2026-05-18T01:11:25.721841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7ad44957c427442ee8880bf100b42d886c401715e190bed2ab025bdc24dc5fe

Aliases

arxiv: 1607.01664 · arxiv_version: 1607.01664v1 · doi: 10.48550/arxiv.1607.01664 · pith_short_12: W6WUJFL4IJ2E · pith_short_16: W6WUJFL4IJ2EF3UI · pith_short_8: W6WUJFL4

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/W6WUJFL4IJ2EF3UIQC7RAC2C3C \
  | 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: b7ad44957c427442ee8880bf100b42d886c401715e190bed2ab025bdc24dc5fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e55e7a0876612688992fc1495d38b46c7ed0b6f509b3be8d6ff957eef8f7a4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2016-07-06T15:16:44Z",
    "title_canon_sha256": "1fb8251b0cfc3d91966a0a441a34c84272559e95b260e8962dea64c0aad1ef6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01664",
    "kind": "arxiv",
    "version": 1
  }
}