Pith Number

pith:VQJMD3FQ

pith:2021:VQJMD3FQUID6HOIUBEONRWRCNM

not attested not anchored not stored refs pending

About the enstrophy change of the Reynolds-Orr solution in the channel flow

P\'eter Tam\'as Nagy

arxiv:2109.11892 v1 · 2021-09-24 · 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{VQJMD3FQUID6HOIUBEONRWRCNM}

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	2026-07-05T03:17:08.574504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac12c1ecb0a207e3b914091cd8da226b29eacfc9379e6d9dec123ad5f3bfb971

Aliases

arxiv: 2109.11892 · arxiv_version: 2109.11892v1 · doi: 10.48550/arxiv.2109.11892 · pith_short_12: VQJMD3FQUID6 · pith_short_16: VQJMD3FQUID6HOIU · pith_short_8: VQJMD3FQ

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/VQJMD3FQUID6HOIUBEONRWRCNM \
  | 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: ac12c1ecb0a207e3b914091cd8da226b29eacfc9379e6d9dec123ad5f3bfb971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c67b038aa5a06fc2cfcde36beab605920b450af06d9a91dbf06fc872961e423",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-09-24T11:18:15Z",
    "title_canon_sha256": "21ee528700bda293f702e2db1fb4f1f236d6bf2056dd2ca855d8ab837ba3a4c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11892",
    "kind": "arxiv",
    "version": 1
  }
}