Pith Number

pith:JQEBRVXJ

pith:2021:JQEBRVXJZTDRWGV7CMBYXGSCGH

not attested not anchored not stored refs pending

Analysis of the Stokes-Darcy problem with generalised interface conditions

Elissa Eggenweiler, Iryna Rybak, Marco Discacciati

arxiv:2104.02339 v1 · 2021-04-06 · math.AP · cs.NA · 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{JQEBRVXJZTDRWGV7CMBYXGSCGH}

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	2026-07-05T02:29:17.249189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c0818d6e9ccc71b1abf13038b9a4231d73dbc9a1ef51cb20ed3488cd975da6e

Aliases

arxiv: 2104.02339 · arxiv_version: 2104.02339v1 · doi: 10.48550/arxiv.2104.02339 · pith_short_12: JQEBRVXJZTDR · pith_short_16: JQEBRVXJZTDRWGV7 · pith_short_8: JQEBRVXJ

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/JQEBRVXJZTDRWGV7CMBYXGSCGH \
  | 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: 4c0818d6e9ccc71b1abf13038b9a4231d73dbc9a1ef51cb20ed3488cd975da6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6ce61dae3dbb066c6fef256c3c4a92d37b8e441b65e0cbcd12ff49ef1d74d2e",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-04-06T07:49:56Z",
    "title_canon_sha256": "98d685d4858097c0a823867184b92a0984876e16010ea0482fd0eaaabda28d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02339",
    "kind": "arxiv",
    "version": 1
  }
}