Pith Number

pith:BR7UX3H5

pith:2010:BR7UX3H52WYG7KVZ5VYYZV6NRK

not attested not anchored not stored refs pending

Hierarchical Semi-Markov Conditional Random Fields for Recursive Sequential Data

Dinh Q. Phung, Hung H. Bui, Svetha Venkatesh, Tran The Truyen

arxiv:1009.2009 v1 · 2010-09-10 · stat.ML · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BR7UX3H52WYG7KVZ5VYYZV6NRK}

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	2026-05-18T04:41:05.595269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7f4becfdd5b06faab9ed718cd7cd8a8ea890e3ecfbe598fe5205a56c524643

Aliases

arxiv: 1009.2009 · arxiv_version: 1009.2009v1 · doi: 10.48550/arxiv.1009.2009 · pith_short_12: BR7UX3H52WYG · pith_short_16: BR7UX3H52WYG7KVZ · pith_short_8: BR7UX3H5

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/BR7UX3H52WYG7KVZ5VYYZV6NRK \
  | 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: 0c7f4becfdd5b06faab9ed718cd7cd8a8ea890e3ecfbe598fe5205a56c524643

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7549b4dc9b7ce857d13a3f4c70987b3339f51021ff109aaf81cebd73ee4a830d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-09-10T13:25:05Z",
    "title_canon_sha256": "110d2e8f70aaf2ed44891146250ee6b5ac084e6747c3ac28108b0efcd2fd4581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2009",
    "kind": "arxiv",
    "version": 1
  }
}