Pith Number

pith:FIUJLDTC

pith:2018:FIUJLDTCNPVJACUQ32QJGGXGXU

not attested not anchored not stored refs pending

Learning Scripts as Hidden Markov Models

Janardhan Rao Doppa, J. Walker Orr, Prasad Tadepalli, Thomas G. Dietterich, Xiaoli Fern

arxiv:1809.03680 v1 · 2018-09-11 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIUJLDTCNPVJACUQ32QJGGXGXU}

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	2026-05-18T00:06:00.128837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a28958e626bea900a90dea0931ae6bd049c94618ce8044362bcff2c9fc56c28

Aliases

arxiv: 1809.03680 · arxiv_version: 1809.03680v1 · doi: 10.48550/arxiv.1809.03680 · pith_short_12: FIUJLDTCNPVJ · pith_short_16: FIUJLDTCNPVJACUQ · pith_short_8: FIUJLDTC

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/FIUJLDTCNPVJACUQ32QJGGXGXU \
  | 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: 2a28958e626bea900a90dea0931ae6bd049c94618ce8044362bcff2c9fc56c28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fdd84926478ef3f835eada429afe56b0f613d6c3c589ecb0876d1c0f421ea77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-11T05:02:28Z",
    "title_canon_sha256": "e47844280cda40d5a0cab43b5ba2cbf453fe4eca66d67a4017df701d67b05e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03680",
    "kind": "arxiv",
    "version": 1
  }
}