Pith Number

pith:IIKD4A6W

pith:2017:IIKD4A6WKBWTGRX4BIB32LPVE2

not attested not anchored not stored refs pending

Differential Dynamic Programming for time-delayed systems

David D. Fan, Evangelos A. Theodorou

arxiv:1701.01882 v1 · 2017-01-07 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIKD4A6WKBWTGRX4BIB32LPVE2}

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	2026-05-18T00:53:13.217226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42143e03d6506d3346fc0a03bd2df5268e019912756b92a67c3e08e0dd9553a0

Aliases

arxiv: 1701.01882 · arxiv_version: 1701.01882v1 · doi: 10.48550/arxiv.1701.01882 · pith_short_12: IIKD4A6WKBWT · pith_short_16: IIKD4A6WKBWTGRX4 · pith_short_8: IIKD4A6W

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/IIKD4A6WKBWTGRX4BIB32LPVE2 \
  | 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: 42143e03d6506d3346fc0a03bd2df5268e019912756b92a67c3e08e0dd9553a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1d8eec00f48268720172699623d37547d7dd3a50367e08b9ee8c794c7f6edcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-01-07T20:48:23Z",
    "title_canon_sha256": "1934edc385f51f349822e5ffee27f302da2ac980413a899302bc5c510fa51682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01882",
    "kind": "arxiv",
    "version": 1
  }
}