Pith Number

pith:XJS4B2JP

pith:2018:XJS4B2JPK3W5ZR3OQFOD6S26WK

not attested not anchored not stored refs pending

Spectral Learning of Binomial HMMs for DNA Methylation Data

Chicheng Zhang, Eran A. Mukamel, Kamalika Chaudhuri

arxiv:1802.02498 v1 · 2018-02-07 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJS4B2JPK3W5ZR3OQFOD6S26WK}

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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	2026-05-18T00:24:08.019661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba65c0e92f56eddcc76e815c3f4b5eb29b9a51b0d29a639d489ae2a3b8f7678c

Aliases

arxiv: 1802.02498 · arxiv_version: 1802.02498v1 · doi: 10.48550/arxiv.1802.02498 · pith_short_12: XJS4B2JPK3W5 · pith_short_16: XJS4B2JPK3W5ZR3O · pith_short_8: XJS4B2JP

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/XJS4B2JPK3W5ZR3OQFOD6S26WK \
  | 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: ba65c0e92f56eddcc76e815c3f4b5eb29b9a51b0d29a639d489ae2a3b8f7678c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0198c2bdbf2b8593b3fd2d129d4bfc4be932d773410c047aa53b20bfcca9a00b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-07T16:00:05Z",
    "title_canon_sha256": "49ef27e7228f74e120877a2f277616c2393f7c9c0eba7a1944f75c015b66a48d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02498",
    "kind": "arxiv",
    "version": 1
  }
}