Pith Number

pith:3FKNSX45

pith:2015:3FKNSX454L4YJCIIMLDDJANQZE

not attested not anchored not stored refs pending

Piecewise Constant Policy Approximations to Hamilton-Jacobi-Bellman Equations

Christoph Reisinger, Peter Forsyth

arxiv:1503.05864 v2 · 2015-03-19 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FKNSX454L4YJCIIMLDDJANQZE}

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	2026-05-18T01:22:18.817815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d954d95f9de2f984890862c63481b0c91481ce23c2dbe7842d83687be7936c55

Aliases

arxiv: 1503.05864 · arxiv_version: 1503.05864v2 · doi: 10.48550/arxiv.1503.05864 · pith_short_12: 3FKNSX454L4Y · pith_short_16: 3FKNSX454L4YJCII · pith_short_8: 3FKNSX45

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/3FKNSX454L4YJCIIMLDDJANQZE \
  | 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: d954d95f9de2f984890862c63481b0c91481ce23c2dbe7842d83687be7936c55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62aaeb75be76171e29e5cae2a683fbc7eb59732cda42165e1417e2a67d9bdf6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-19T18:12:11Z",
    "title_canon_sha256": "301f78930bdcde804e9468a4f225ab6597a3ed92040fdb56513285aed1a6acf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05864",
    "kind": "arxiv",
    "version": 2
  }
}