Pith Number

pith:XUPUU7OM

pith:2018:XUPUU7OMT7WKUCAD4VP66YWAPG

not attested not anchored not stored refs pending

Machine Learning for Dynamic Discrete Choice

Vira Semenova

arxiv:1808.02569 v2 · 2018-08-07 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUPUU7OMT7WKUCAD4VP66YWAPG}

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	2026-05-18T00:01:28.846554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd1f4a7dcc9fecaa0803e55fef62c079b5478668478e925ba1bca93d41182cf0

Aliases

arxiv: 1808.02569 · arxiv_version: 1808.02569v2 · doi: 10.48550/arxiv.1808.02569 · pith_short_12: XUPUU7OMT7WK · pith_short_16: XUPUU7OMT7WKUCAD · pith_short_8: XUPUU7OM

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/XUPUU7OMT7WKUCAD4VP66YWAPG \
  | 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: bd1f4a7dcc9fecaa0803e55fef62c079b5478668478e925ba1bca93d41182cf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc973f659ce043413a4d08810358622bb67e83690e4e5162c582848a652a0894",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2018-08-07T22:23:50Z",
    "title_canon_sha256": "16df15bfea301ecc4eff1b75b432aca9aa89da0ec6691eea5bc3a982b8958f72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02569",
    "kind": "arxiv",
    "version": 2
  }
}