Pith Number

pith:WQYLQYZM

pith:2015:WQYLQYZMIXECDKYIDBQ4X7H4HW

not attested not anchored not stored refs pending

Quantification of airfoil geometry-induced aerodynamic uncertainties - comparison of approaches

Alexander Litvinenko, Claudia Schillings, Dishi Liu, Volker Schulz

arxiv:1505.05731 v2 · 2015-05-21 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQYLQYZMIXECDKYIDBQ4X7H4HW}

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	2026-05-18T00:53:51.314942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b430b8632c45c821ab081861cbfcfc3d85f391c57b58dbfa2d5eb563b7c261cb

Aliases

arxiv: 1505.05731 · arxiv_version: 1505.05731v2 · doi: 10.48550/arxiv.1505.05731 · pith_short_12: WQYLQYZMIXEC · pith_short_16: WQYLQYZMIXECDKYI · pith_short_8: WQYLQYZM

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/WQYLQYZMIXECDKYIDBQ4X7H4HW \
  | 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: b430b8632c45c821ab081861cbfcfc3d85f391c57b58dbfa2d5eb563b7c261cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0447b9cdfabbf8c7849b619825dca00b44d40c70452d0faee96e46d0f590137e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-21T13:33:10Z",
    "title_canon_sha256": "971a396e5c68673f7ab342a29a61b1de5d7de729e63769845198e11b3fe59ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05731",
    "kind": "arxiv",
    "version": 2
  }
}