Pith Number

pith:QSDB5EFN

pith:2017:QSDB5EFNQ4ZF6OJOOADBSKGPLE

not attested not anchored not stored refs pending

Turbulence and secondary motions in square duct flow

D. Modesti, F. Grasso, P. Orlandi, S. Pirozzoli

arxiv:1707.03638 v1 · 2017-07-12 · 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{QSDB5EFNQ4ZF6OJOOADBSKGPLE}

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	2026-05-18T00:21:27.639231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84861e90ad87325f392e70061928cf591210fa60ac9dc9d2dc6e2286aba0e28d

Aliases

arxiv: 1707.03638 · arxiv_version: 1707.03638v1 · doi: 10.48550/arxiv.1707.03638 · pith_short_12: QSDB5EFNQ4ZF · pith_short_16: QSDB5EFNQ4ZF6OJO · pith_short_8: QSDB5EFN

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/QSDB5EFNQ4ZF6OJOOADBSKGPLE \
  | 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: 84861e90ad87325f392e70061928cf591210fa60ac9dc9d2dc6e2286aba0e28d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a265531d95ff7219d0d23481849a6c905849c0a3bcf3b65c4d85c68e1345f244",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-07-12T10:43:06Z",
    "title_canon_sha256": "2365a5a509a977be63a4076f50b89654983da53d2bc6cbd3924df204c8c87041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03638",
    "kind": "arxiv",
    "version": 1
  }
}