Pith Number

pith:DNIXO3DP

pith:2015:DNIXO3DPWEULQ4UNM5N6YRYAQG

not attested not anchored not stored refs pending

Control of Pitch-Flap Instabilities in Helicopter Rotors using Delayed Feedback

Rudy Cepeda-Gomez

arxiv:1508.06842 v2 · 2015-08-27 · math.OC · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNIXO3DPWEULQ4UNM5N6YRYAQG}

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	2026-05-18T01:17:47.071936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b51776c6fb128b8728d675bec470081b47c1268019360f14a0d3ebd7d4443d1

Aliases

arxiv: 1508.06842 · arxiv_version: 1508.06842v2 · doi: 10.48550/arxiv.1508.06842 · pith_short_12: DNIXO3DPWEUL · pith_short_16: DNIXO3DPWEULQ4UN · pith_short_8: DNIXO3DP

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/DNIXO3DPWEULQ4UNM5N6YRYAQG \
  | 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: 1b51776c6fb128b8728d675bec470081b47c1268019360f14a0d3ebd7d4443d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb29adbb34b347030919c49e7e0d84af8b57e2bdde6985b1c0d2382b383a8d06",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-08-27T13:03:50Z",
    "title_canon_sha256": "3600a7319192110988ffc8db5d7633efc4a185d6927d78775808f0dd9b9a20c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06842",
    "kind": "arxiv",
    "version": 2
  }
}