Pith Number

pith:LDURQMVX

pith:2021:LDURQMVXIW3Z4FE256X5P7GQT5

not attested not anchored not stored refs pending

Viscosity, shock-induced separation, and shock reversal -- Oscillating wing section in transonic flow

Kartik Venkatraman, Pradeepa T. Karnick

arxiv:2105.03724 v1 · 2021-05-08 · 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{LDURQMVXIW3Z4FE256X5P7GQT5}

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	2026-07-05T02:38:38.398111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e91832b745b79e149aefafd7fcd09f5cfbd96d9baf44941e568aecf01e5110

Aliases

arxiv: 2105.03724 · arxiv_version: 2105.03724v1 · doi: 10.48550/arxiv.2105.03724 · pith_short_12: LDURQMVXIW3Z · pith_short_16: LDURQMVXIW3Z4FE2 · pith_short_8: LDURQMVX

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/LDURQMVXIW3Z4FE256X5P7GQT5 \
  | 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: 58e91832b745b79e149aefafd7fcd09f5cfbd96d9baf44941e568aecf01e5110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1933d50d3b80bfadbe263f767f92322177d7a2f06e99fd44044ce560dc2624e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-05-08T15:59:20Z",
    "title_canon_sha256": "1fff90eba442402b3fd6a0503203c54c2584b2248340f2dfc3b579f6897e21e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03724",
    "kind": "arxiv",
    "version": 1
  }
}