Pith Number

pith:JOOFH3U2

pith:2018:JOOFH3U2TVFWXORCEEYL6B3UHV

not attested not anchored not stored refs pending

A PTAS for a Class of Stochastic Dynamic Programs

Hao Fu, Jian Li, Pan Xu

arxiv:1805.07742 v1 · 2018-05-20 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOOFH3U2TVFWXORCEEYL6B3UHV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:15:32.644444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b9c53ee9a9d4b6bba222130bf07743d51e8c359f91f2773c8417c039107c00a

Aliases

arxiv: 1805.07742 · arxiv_version: 1805.07742v1 · doi: 10.48550/arxiv.1805.07742 · pith_short_12: JOOFH3U2TVFW · pith_short_16: JOOFH3U2TVFWXORC · pith_short_8: JOOFH3U2

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/JOOFH3U2TVFWXORCEEYL6B3UHV \
  | 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: 4b9c53ee9a9d4b6bba222130bf07743d51e8c359f91f2773c8417c039107c00a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce8957a1c8dfb6014e87ec174d80844409c5d987f5501a0e0a4af7e1f558f56b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-20T09:18:59Z",
    "title_canon_sha256": "24c234829f998fbbc6c514822d63638eecd8e39610cd52f30214254b05209fd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07742",
    "kind": "arxiv",
    "version": 1
  }
}