Pith Number

pith:J4FH3M5N

pith:2008:J4FH3M5N4X5MT7YZ2SJKNV7L5T

not attested not anchored not stored refs pending

Coupling Control Variates for Markov Chain Monte Carlo

Jonathan B. Goodman, Kevin K. Lin

arxiv:0809.2300 v1 · 2008-09-12 · math.NA · physics.comp-ph · 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{J4FH3M5N4X5MT7YZ2SJKNV7L5T}

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	2026-05-18T02:15:34.690871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f0a7db3ade5fac9ff19d492a6d7ebece5444b6f6fe2d06e1c74a1326f9a97d4

Aliases

arxiv: 0809.2300 · arxiv_version: 0809.2300v1 · doi: 10.48550/arxiv.0809.2300 · pith_short_12: J4FH3M5N4X5M · pith_short_16: J4FH3M5N4X5MT7YZ · pith_short_8: J4FH3M5N

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/J4FH3M5N4X5MT7YZ2SJKNV7L5T \
  | 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: 4f0a7db3ade5fac9ff19d492a6d7ebece5444b6f6fe2d06e1c74a1326f9a97d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f6f2ce8b017c91e66172323e6bdde6cf35199e1756bbe54c93dc67f44ee0fea",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-09-12T22:49:05Z",
    "title_canon_sha256": "fa7ea6f2da8696b7ffd3ecc92846eb2709c12f4fb3550de8d913d531cd7428d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2300",
    "kind": "arxiv",
    "version": 1
  }
}