Pith Number

pith:PNKHP6K3

pith:2025:PNKHP6K35JPR3Q2FT2V6FFGK5O

not attested not anchored not stored refs pending

Excitation of non-modal perturbations in hypersonic boundary layers by freestream forcing: shock-fitting harmonic linearised Navier-Stokes approach

Lei Zhao, Ming Dong

arxiv:2503.08431 v1 · 2025-03-11 · 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{PNKHP6K35JPR3Q2FT2V6FFGK5O}

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	2026-07-05T10:28:59.380218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b5477f95bea5f1dc3459eabe294caeb8f0a39610251ffb4f9b18b61be6dbbba

Aliases

arxiv: 2503.08431 · arxiv_version: 2503.08431v1 · doi: 10.48550/arxiv.2503.08431 · pith_short_12: PNKHP6K35JPR · pith_short_16: PNKHP6K35JPR3Q2F · pith_short_8: PNKHP6K3

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/PNKHP6K35JPR3Q2FT2V6FFGK5O \
  | 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: 7b5477f95bea5f1dc3459eabe294caeb8f0a39610251ffb4f9b18b61be6dbbba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ebb5e8582fe7790a2466a39a71484aafc57afcc308da0a1da215da233d7fcae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-03-11T13:44:57Z",
    "title_canon_sha256": "388e37b92445ee79ca7138095f4345bffdc5832293df5b3137623d8c791e421c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.08431",
    "kind": "arxiv",
    "version": 1
  }
}