Pith Number

pith:BYUXX7BP

pith:2010:BYUXX7BPWXXYVYQTWEXVHKSPY2

not attested not anchored not stored refs pending

Inference with Constrained Hidden Markov Models in PRISM

Christian Theil Have, Henning Christiansen, Matthieu Petit, Ole Torp Lassen

arxiv:1007.5421 v1 · 2010-07-30 · cs.AI · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYUXX7BPWXXYVYQTWEXVHKSPY2}

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	2026-05-18T04:42:45.242522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e297bfc2fb5ef8ae213b12f53aa4fc68afb852904793de1f9fbdb35223c9c9c

Aliases

arxiv: 1007.5421 · arxiv_version: 1007.5421v1 · doi: 10.48550/arxiv.1007.5421 · pith_short_12: BYUXX7BPWXXY · pith_short_16: BYUXX7BPWXXYVYQT · pith_short_8: BYUXX7BP

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/BYUXX7BPWXXYVYQTWEXVHKSPY2 \
  | 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: 0e297bfc2fb5ef8ae213b12f53aa4fc68afb852904793de1f9fbdb35223c9c9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d87d686482d596dcc208be3fe84e3aa9345f99cc7fcd56487558ca91c53dc694",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2010-07-30T11:55:05Z",
    "title_canon_sha256": "a04c376379eb85cfc8a94e9beb68752e43d92658cadda652220308eebfbd6fa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.5421",
    "kind": "arxiv",
    "version": 1
  }
}