Pith Number

pith:G6L6CVED

pith:2018:G6L6CVED26QWTU6CWN5ZMLKS5L

not attested not anchored not stored refs pending

Optimal control of a separated boundary-layer flow over a bump

Pierre-Yves Passaggia, Uwe Ehrenstein

arxiv:1801.05890 v1 · 2018-01-17 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6L6CVED26QWTU6CWN5ZMLKS5L}

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	2026-05-18T00:21:06.581765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3797e15483d7a169d3c2b37b962d52ead2ce273b8f928f05c391145aafc619bf

Aliases

arxiv: 1801.05890 · arxiv_version: 1801.05890v1 · doi: 10.48550/arxiv.1801.05890 · pith_short_12: G6L6CVED26QW · pith_short_16: G6L6CVED26QWTU6C · pith_short_8: G6L6CVED

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/G6L6CVED26QWTU6CWN5ZMLKS5L \
  | 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: 3797e15483d7a169d3c2b37b962d52ead2ce273b8f928f05c391145aafc619bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e514bfd122d3ff71ca2e0935f77eeaea913c2a517391501b0ab45a2566970c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-01-17T23:56:11Z",
    "title_canon_sha256": "8945024b1fd410de2df20628e21a706ef63ad491a491a6dd3bbf9defc32836ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05890",
    "kind": "arxiv",
    "version": 1
  }
}