Pith Number

pith:TE5ZJURE

pith:2026:TE5ZJUREXNPZ6OGN4SZOJZUZRH

not attested not anchored not stored refs pending

Choosing the right MCMC sampler: a systematic benchmark of gradient-free methods

Colin M. Poppelaars, Marcel P. van Daalen

arxiv:2605.30412 v1 · 2026-05-28 · astro-ph.IM · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TE5ZJUREXNPZ6OGN4SZOJZUZRH}

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	2026-06-01T00:02:09.634147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

993b94d224bb5f9f38cde4b2e4e69989f16467266ebec3c750956d4163e8c0fe

Aliases

arxiv: 2605.30412 · arxiv_version: 2605.30412v1 · doi: 10.48550/arxiv.2605.30412 · pith_short_12: TE5ZJUREXNPZ · pith_short_16: TE5ZJUREXNPZ6OGN · pith_short_8: TE5ZJURE

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/TE5ZJUREXNPZ6OGN4SZOJZUZRH \
  | 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: 993b94d224bb5f9f38cde4b2e4e69989f16467266ebec3c750956d4163e8c0fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff3c53aa33773c942a19e7b8e0204e6c985fc09f7778cdfcfbd2d7ebd4ea3dc",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-05-28T18:00:00Z",
    "title_canon_sha256": "402e33eb29e4d4e5a8d7f181824fca9a1a227cd11884431622fac140e4c489c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30412",
    "kind": "arxiv",
    "version": 1
  }
}