Pith Number

pith:DFK4JNEF

pith:2018:DFK4JNEFYGXZNJD2AGRXMKIS4F

not attested not anchored not stored refs pending

Reynolds-number effects in turbulent boundary layers around wing sections

Ardeshir Hanifi, Dan S. Henningson, Marco Atzori, Philipp Schlatter, Prabal Negi, Ricardo Vinuesa

arxiv:1812.03668 v1 · 2018-12-10 · 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{DFK4JNEFYGXZNJD2AGRXMKIS4F}

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	2026-05-17T23:58:44.198980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1955c4b485c1af96a47a01a3762912e17d0f515fb4a85fb773ebee859fca04ad

Aliases

arxiv: 1812.03668 · arxiv_version: 1812.03668v1 · doi: 10.48550/arxiv.1812.03668 · pith_short_12: DFK4JNEFYGXZ · pith_short_16: DFK4JNEFYGXZNJD2 · pith_short_8: DFK4JNEF

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/DFK4JNEFYGXZNJD2AGRXMKIS4F \
  | 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: 1955c4b485c1af96a47a01a3762912e17d0f515fb4a85fb773ebee859fca04ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6708b0b46b7e69bc141aa2dd56ad06a0bcb1e9ca8f09d288110f72b722c9b7d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-12-10T08:16:12Z",
    "title_canon_sha256": "e2c604c629d0784f46079313855505350b4288b6527dafdd5bc3c4c6acb732b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03668",
    "kind": "arxiv",
    "version": 1
  }
}