Pith Number

pith:OP5IFDF5

pith:2018:OP5IFDF5CKPEGFL3GWHWQQCXVT

not attested not anchored not stored refs pending

Efficient prediction of broadband trailing edge noise and application to porous edge treatment

Benjamin Fassmann, Christof Rautmann, Jan Delfs, Roland Ewert

arxiv:1810.02642 v1 · 2018-10-05 · 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{OP5IFDF5CKPEGFL3GWHWQQCXVT}

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	2026-05-18T00:04:01.131019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73fa828cbd129e43157b358f684057acc1f107236189d03609ae00b86b21f618

Aliases

arxiv: 1810.02642 · arxiv_version: 1810.02642v1 · doi: 10.48550/arxiv.1810.02642 · pith_short_12: OP5IFDF5CKPE · pith_short_16: OP5IFDF5CKPEGFL3 · pith_short_8: OP5IFDF5

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/OP5IFDF5CKPEGFL3GWHWQQCXVT \
  | 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: 73fa828cbd129e43157b358f684057acc1f107236189d03609ae00b86b21f618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fea93c90808075a80b63aafec38960bfa0d72d0a22b1c3c09f3b20943f659ba3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-10-05T12:18:08Z",
    "title_canon_sha256": "edfc0ed1c794fe92408ce86e394b310edffe3a0edad3c8fab9d77cdb152b2658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02642",
    "kind": "arxiv",
    "version": 1
  }
}