Pith Number

pith:EILV5LFL

pith:2020:EILV5LFL5NK2AKPTCDXEVK7XXH

not attested not anchored not stored refs pending

Learning Hidden Markov Models from Aggregate Observations

Qinsheng Zhang, Rahul Singh, Yongxin Chen

arxiv:2011.11236 v2 · 2020-11-23 · cs.LG · cs.SY · eess.IV · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EILV5LFL5NK2AKPTCDXEVK7XXH}

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	2026-07-05T03:31:23.333028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22175eacabeb55a029f310ee4aabf7b9e5235b0c08a6ca94cc17b5cab80aa003

Aliases

arxiv: 2011.11236 · arxiv_version: 2011.11236v2 · doi: 10.48550/arxiv.2011.11236 · pith_short_12: EILV5LFL5NK2 · pith_short_16: EILV5LFL5NK2AKPT · pith_short_8: EILV5LFL

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/EILV5LFL5NK2AKPTCDXEVK7XXH \
  | 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: 22175eacabeb55a029f310ee4aabf7b9e5235b0c08a6ca94cc17b5cab80aa003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "581e3a71b3adca923070f059e7ccd140e207a9a0cc55a8e6f2ad48c2fd96b438",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.IV",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-11-23T06:41:22Z",
    "title_canon_sha256": "d862c2ca775df0dd4fc677474a2c85528c03b0e563f79c47bfb5e6e43e4179f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.11236",
    "kind": "arxiv",
    "version": 2
  }
}