Pith Number

pith:YL6NQRPQ

pith:2015:YL6NQRPQET6AOYYMBAKVGIWPKS

not attested not anchored not stored refs pending

Efficient Calibration for Imperfect Computer Models

C. F. Jeff Wu, Rui Tuo

arxiv:1507.07280 v1 · 2015-07-27 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YL6NQRPQET6AOYYMBAKVGIWPKS}

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	2026-05-18T01:36:16.753729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2fcd845f024fc07630c08155322cf549100f32b5e2b6e14f52f1ff42f719809

Aliases

arxiv: 1507.07280 · arxiv_version: 1507.07280v1 · doi: 10.48550/arxiv.1507.07280 · pith_short_12: YL6NQRPQET6A · pith_short_16: YL6NQRPQET6AOYYM · pith_short_8: YL6NQRPQ

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/YL6NQRPQET6AOYYMBAKVGIWPKS \
  | 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: c2fcd845f024fc07630c08155322cf549100f32b5e2b6e14f52f1ff42f719809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69f875de257feb82c51055e86d730a6ffe0ec3939a8966730d2c45516aa82f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-07-27T02:38:35Z",
    "title_canon_sha256": "bf50a49eaf4fedf7fe822acf1bc8cd8dbd7d5d15c0b749111f0a461bb996f8ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07280",
    "kind": "arxiv",
    "version": 1
  }
}