Pith Number

pith:U2CQRSDG

pith:2019:U2CQRSDGNKV4ONUWWEXJEALI53

not attested not anchored not stored refs pending

DNS of transitional and turbulent flows in rectangular ducts

Paolo Orlandi, Sergio Pirozzoli

arxiv:1907.07987 v1 · 2019-07-18 · 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{U2CQRSDGNKV4ONUWWEXJEALI53}

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	2026-05-17T23:40:15.458457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68508c8666aabc73696b12e920168eed8aa86509f2ff740c283c61ad6e5f137

Aliases

arxiv: 1907.07987 · arxiv_version: 1907.07987v1 · doi: 10.48550/arxiv.1907.07987 · pith_short_12: U2CQRSDGNKV4 · pith_short_16: U2CQRSDGNKV4ONUW · pith_short_8: U2CQRSDG

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/U2CQRSDGNKV4ONUWWEXJEALI53 \
  | 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: a68508c8666aabc73696b12e920168eed8aa86509f2ff740c283c61ad6e5f137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f94bc54a7051fce32877c167affcb916f61d5393eb3590d636e88ea25b8469b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-07-18T10:58:37Z",
    "title_canon_sha256": "df99fb9e8d2ce4acd36743f2e3398cccf152433a6f1c7e990abe52a27b8d309b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07987",
    "kind": "arxiv",
    "version": 1
  }
}