Pith Number

pith:UNFJUC5E

pith:2016:UNFJUC5ENKKXY7IGX6GHXVOLDS

not attested not anchored not stored refs pending

A Primer on Portfolio Choice with Small Transaction Costs

H. Mete Soner, Johannes Muhle-Karbe, Max Reppen

arxiv:1612.01302 v2 · 2016-12-05 · q-fin.PM · 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{UNFJUC5ENKKXY7IGX6GHXVOLDS}

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	2026-05-18T00:43:47.978745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a34a9a0ba46a957c7d06bf8c7bd5cb1caef50a267c5f26e8fe58ce9f3b717f1d

Aliases

arxiv: 1612.01302 · arxiv_version: 1612.01302v2 · doi: 10.48550/arxiv.1612.01302 · pith_short_12: UNFJUC5ENKKX · pith_short_16: UNFJUC5ENKKXY7IG · pith_short_8: UNFJUC5E

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/UNFJUC5ENKKXY7IGX6GHXVOLDS \
  | 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: a34a9a0ba46a957c7d06bf8c7bd5cb1caef50a267c5f26e8fe58ce9f3b717f1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "997b2ec13db58e94e07ca0e4333af5f3acda8a2e2e2bfbf8fc61530626a272c5",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2016-12-05T10:53:47Z",
    "title_canon_sha256": "f85dcd1e515f3ff8ad6db03fb5b8918c42fd7dde7645bd5050e66546b39fcb7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01302",
    "kind": "arxiv",
    "version": 2
  }
}