Pith Number

pith:5APDSX46

pith:2016:5APDSX46PACYPXPJRMET73NWQL

not attested not anchored not stored refs pending

A combinatorial algorithm for constrained assortment optimization under nested logit model

Tian Xie

arxiv:1603.09014 v1 · 2016-03-30 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5APDSX46PACYPXPJRMET73NWQL}

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	2026-05-18T01:18:03.997462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81e395f9e780587dde98b093fedb682cf8a6472acfbe711437b191fca0d8236

Aliases

arxiv: 1603.09014 · arxiv_version: 1603.09014v1 · doi: 10.48550/arxiv.1603.09014 · pith_short_12: 5APDSX46PACY · pith_short_16: 5APDSX46PACYPXPJ · pith_short_8: 5APDSX46

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/5APDSX46PACYPXPJRMET73NWQL \
  | 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: e81e395f9e780587dde98b093fedb682cf8a6472acfbe711437b191fca0d8236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "348332db0669fffa552cb210e8eff7da979f85c9220709eb3bb15b78e708e512",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-03-30T01:37:20Z",
    "title_canon_sha256": "5bcd5493a8c1ceaff9e63cdda58046845699217a48c8d29df7f026285c448603"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09014",
    "kind": "arxiv",
    "version": 1
  }
}