Pith Number

pith:UUXFHPNM

pith:2017:UUXFHPNMN4VJKQILEU2AGFLCC2

not attested not anchored not stored refs pending

Pulsejet engine dynamics in vertical motion using momentum conservation

Tiberius O. Cheche

arxiv:1702.00814 v2 · 2017-01-22 · physics.flu-dyn · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUXFHPNMN4VJKQILEU2AGFLCC2}

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	2026-05-18T00:49:57.548535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52e53bdac6f2a95410b253403156216b0d4fe9972f4a5bf57ea62cc418c84fc

Aliases

arxiv: 1702.00814 · arxiv_version: 1702.00814v2 · doi: 10.48550/arxiv.1702.00814 · pith_short_12: UUXFHPNMN4VJ · pith_short_16: UUXFHPNMN4VJKQIL · pith_short_8: UUXFHPNM

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/UUXFHPNMN4VJKQILEU2AGFLCC2 \
  | 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: a52e53bdac6f2a95410b253403156216b0d4fe9972f4a5bf57ea62cc418c84fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23fd659d3afd5923ae7b8d5bd2ed7954b7051342ae9c5bf8f462da944d14015e",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-01-22T11:38:36Z",
    "title_canon_sha256": "9a922e5713abf971f45cd8e6972bb1f5a786bef010a2e975cc691d64ca0649a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00814",
    "kind": "arxiv",
    "version": 2
  }
}