Pith Number

pith:IXKS6RHM

pith:2016:IXKS6RHMD53WZV66E5ODOH6KJ5

not attested not anchored not stored refs pending

Shape optimization of active and passive drag-reducing devices on a D-shaped bluff body

Richard Semaan

arxiv:1610.08307 v1 · 2016-10-26 · 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{IXKS6RHMD53WZV66E5ODOH6KJ5}

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	2026-05-18T01:01:14.386748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d52f44ec1f776cd7de275c371fca4f6f460466163a779b4293a563cd857f21

Aliases

arxiv: 1610.08307 · arxiv_version: 1610.08307v1 · doi: 10.48550/arxiv.1610.08307 · pith_short_12: IXKS6RHMD53W · pith_short_16: IXKS6RHMD53WZV66 · pith_short_8: IXKS6RHM

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/IXKS6RHMD53WZV66E5ODOH6KJ5 \
  | 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: 45d52f44ec1f776cd7de275c371fca4f6f460466163a779b4293a563cd857f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f892ed05419e2bfb1682a00d86375e7661782602c1fad35a14cb8b846c428d5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2016-10-26T13:02:48Z",
    "title_canon_sha256": "1613978546ef00ff7702dd217d9548e6e4cd926878278429924a87af3df67103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08307",
    "kind": "arxiv",
    "version": 1
  }
}