Pith Number

pith:SVZSSWYV

pith:2021:SVZSSWYVOWW5PWIHR7ZT4G4TU6

not attested not anchored not stored refs pending

Laminar vortex dynamics around forward-swept wings

Kai Zhang, Kunihiko Taira

arxiv:2109.09027 v1 · 2021-09-18 · 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{SVZSSWYVOWW5PWIHR7ZT4G4TU6}

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	2026-07-05T03:15:40.678468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9573295b1575add7d9078ff33e1b93a7988afd6868babc28bc61b6924a88c4dc

Aliases

arxiv: 2109.09027 · arxiv_version: 2109.09027v1 · doi: 10.48550/arxiv.2109.09027 · pith_short_12: SVZSSWYVOWW5 · pith_short_16: SVZSSWYVOWW5PWIH · pith_short_8: SVZSSWYV

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/SVZSSWYVOWW5PWIHR7ZT4G4TU6 \
  | 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: 9573295b1575add7d9078ff33e1b93a7988afd6868babc28bc61b6924a88c4dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd53c472d4bcfc7dd59de3d362e38f22b05c45507794fba9a01b40c8c422c1de",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-09-18T23:37:15Z",
    "title_canon_sha256": "d59d9c00cc7101a16197f88818e11ee83d5843bcde545a69fc6cdbc423abce9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09027",
    "kind": "arxiv",
    "version": 1
  }
}