Pith Number

pith:4XQWSAIG

pith:2026:4XQWSAIGVC3KXVWIAEEAZ5BHI6

not attested not anchored not stored refs pending

From Propulsion to Suction: Unraveling Thrust Reversal in Propellers at Intermediate Reynolds Numbers

Rong Fu, Siyu Li, Yang Ding

arxiv:2606.25472 v1 · 2026-06-24 · physics.flu-dyn · physics.med-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{4XQWSAIGVC3KXVWIAEEAZ5BHI6}

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	2026-06-25T01:18:06.287415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e1690106a8b6abd6c801080cf427479ab79807199197671aaa182dbe8eae2a

Aliases

arxiv: 2606.25472 · arxiv_version: 2606.25472v1 · doi: 10.48550/arxiv.2606.25472 · pith_short_12: 4XQWSAIGVC3K · pith_short_16: 4XQWSAIGVC3KXVWI · pith_short_8: 4XQWSAIG

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/4XQWSAIGVC3KXVWIAEEAZ5BHI6 \
  | 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: e5e1690106a8b6abd6c801080cf427479ab79807199197671aaa182dbe8eae2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "232fb6ea1e4141e2e958a119ae6a0eda7b7e80f660955352905873d6a34c8172",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-06-24T06:56:06Z",
    "title_canon_sha256": "0e1e19958c0f6ee6153cc2dc0fe3d87419b99ddddc3373f318979cf0e050bb46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25472",
    "kind": "arxiv",
    "version": 1
  }
}