Pith Number

pith:YETBHPAF

pith:2019:YETBHPAF5SWP24QAUDX6OG2YIG

not attested not anchored not stored refs pending

Constrained Optimal Stopping, Liquidity and Effort

David Hobson, Matthew Zeng

arxiv:1901.07270 v1 · 2019-01-22 · 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{YETBHPAF5SWP24QAUDX6OG2YIG}

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	2026-05-17T23:55:47.564204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c12613bc05ecacfd7200a0efe71b58419cdf3782e79b2eeff4014023c91736e3

Aliases

arxiv: 1901.07270 · arxiv_version: 1901.07270v1 · doi: 10.48550/arxiv.1901.07270 · pith_short_12: YETBHPAF5SWP · pith_short_16: YETBHPAF5SWP24QA · pith_short_8: YETBHPAF

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/YETBHPAF5SWP24QAUDX6OG2YIG \
  | 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: c12613bc05ecacfd7200a0efe71b58419cdf3782e79b2eeff4014023c91736e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35b314f44730499b0c63134d344573e0aa94d044d7ab4f3a46cd63ae147a0964",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-01-22T11:35:07Z",
    "title_canon_sha256": "f4e5014141617c89a445a708ba69879c4a555dd3c23de0203f9540ab3eb89c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07270",
    "kind": "arxiv",
    "version": 1
  }
}