Pith Number

pith:JB2TAL2C

pith:2017:JB2TAL2CQN6AZVGYUTYB5FLE73

not attested not anchored not stored refs pending

Directed percolation in aerodynamics: resolving laminar separation bubble on airfoils

Dominik Traphan (1), Gerd G\"ulker (1), Institute of Physics, Joachim Peinke (1), Pedro G. Lind (2) ((1) ForWind, Tom T. B. Wester (1), University of Oldenburg (2) Institute of Physics, University of Osnabr\"uck)

arxiv:1707.06832 v1 · 2017-07-21 · 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{JB2TAL2CQN6AZVGYUTYB5FLE73}

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	2026-05-18T00:18:19.768682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4875302f42837c0cd4d8a4f01e9564fef2be971af0968d9670c39cd29770e6f8

Aliases

arxiv: 1707.06832 · arxiv_version: 1707.06832v1 · doi: 10.48550/arxiv.1707.06832 · pith_short_12: JB2TAL2CQN6A · pith_short_16: JB2TAL2CQN6AZVGY · pith_short_8: JB2TAL2C

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/JB2TAL2CQN6AZVGYUTYB5FLE73 \
  | 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: 4875302f42837c0cd4d8a4f01e9564fef2be971af0968d9670c39cd29770e6f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "060f095232eacf9a06ff5582095d8aa91d57f66a3e3021d16e72e4e3db4d5162",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-07-21T10:43:57Z",
    "title_canon_sha256": "a5470fddaaef84de61bdcc6cff3825aff322b4d52ac8323953d6487aba5f3bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06832",
    "kind": "arxiv",
    "version": 1
  }
}