Pith Number

pith:2XGUJDXD

pith:2018:2XGUJDXDZ4G25T2L4K4W4WBKHD

not attested not anchored not stored refs pending

Optimal stopping of Brownian motion with broken drift

Ernesto Mordecki, Paavo Salminen

arxiv:1811.05738 v1 · 2018-11-14 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2XGUJDXDZ4G25T2L4K4W4WBKHD}

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	2026-05-18T00:00:42.193799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5cd448ee3cf0daecf4be2b96e582a38f2403193d823bdf1f47d22f76f6efe27

Aliases

arxiv: 1811.05738 · arxiv_version: 1811.05738v1 · doi: 10.48550/arxiv.1811.05738 · pith_short_12: 2XGUJDXDZ4G2 · pith_short_16: 2XGUJDXDZ4G25T2L · pith_short_8: 2XGUJDXD

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/2XGUJDXDZ4G25T2L4K4W4WBKHD \
  | 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: d5cd448ee3cf0daecf4be2b96e582a38f2403193d823bdf1f47d22f76f6efe27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d3fa6f4da18d0666cd568554f537ea8ffac98f1990a83786f9fce43a261490d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-11-14T11:49:05Z",
    "title_canon_sha256": "24d43a94a698c3f90a1f78f9ed3846bf39c182b5fe7436b6b284a9e6c3941a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05738",
    "kind": "arxiv",
    "version": 1
  }
}