Pith Number

pith:GD7WECYS

pith:2011:GD7WECYSGPM2BUCSEETNNX5OKL

not attested not anchored not stored refs pending

Hairpins et al. in Turbulent Boundary Layers

Arne V. Johansson, Dan S. Henningson, Geert Brethouwer, Mattias Chevalier, Milos Ilak, Philipp Schlatter

arxiv:1110.3975 v1 · 2011-10-18 · 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{GD7WECYSGPM2BUCSEETNNX5OKL}

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	2026-05-18T04:10:47.572527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ff620b1233d9a0d0522126d6dfae52c456bd7bce90fd78c3d4b3638af6777b

Aliases

arxiv: 1110.3975 · arxiv_version: 1110.3975v1 · doi: 10.48550/arxiv.1110.3975 · pith_short_12: GD7WECYSGPM2 · pith_short_16: GD7WECYSGPM2BUCS · pith_short_8: GD7WECYS

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/GD7WECYSGPM2BUCSEETNNX5OKL \
  | 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: 30ff620b1233d9a0d0522126d6dfae52c456bd7bce90fd78c3d4b3638af6777b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46caabd77dc9bb1e68fe29507adbf1c46e9bc40c081a65f737a806b32ceeeda6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2011-10-18T13:54:58Z",
    "title_canon_sha256": "ca5a08ec453996225cc16720c071f392a0871f2d13a5962da2505c565aad8725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3975",
    "kind": "arxiv",
    "version": 1
  }
}