Pith Number

pith:MZMEPS2J

pith:2012:MZMEPS2JVLKZA4UNEXYOPG4K4S

not attested not anchored not stored refs pending

Large-Flip Importance Sampling

Firas Hamze, Nando de Freitas

arxiv:1206.5239 v1 · 2012-06-20 · stat.CO · cs.AI

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

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	2026-05-18T03:52:41.040951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665847cb49aad590728d25f0e79b8ae498fe7047d9009b21cfca53eb9064035e

Aliases

arxiv: 1206.5239 · arxiv_version: 1206.5239v1 · doi: 10.48550/arxiv.1206.5239 · pith_short_12: MZMEPS2JVLKZ · pith_short_16: MZMEPS2JVLKZA4UN · pith_short_8: MZMEPS2J

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/MZMEPS2JVLKZA4UNEXYOPG4K4S \
  | 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: 665847cb49aad590728d25f0e79b8ae498fe7047d9009b21cfca53eb9064035e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "723e28430dbd76e6edc16f108f496d26ddf2d13ab5b6c654c602d101cb199508",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2012-06-20T14:51:32Z",
    "title_canon_sha256": "3ca50456e306b52533e4a4f28f37b3066b069787e722b06e6ce887a61b5ec750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5239",
    "kind": "arxiv",
    "version": 1
  }
}