Pith Number

pith:4GSYI7NB

pith:2020:4GSYI7NBRFRNLKRVBHZ6O4RZVU

not attested not anchored not stored refs pending

A weakly compressible hybridizable discontinuous Galerkin formulation for fluid-structure interaction problems

Andrea La Spina, Antonio Huerta, Martin Kronbichler, Matteo Giacomini, Wolfgang A. Wall

arxiv:2009.05106 v1 · 2020-09-09 · physics.flu-dyn · cs.CE · 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{4GSYI7NBRFRNLKRVBHZ6O4RZVU}

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	2026-07-05T01:34:35.173278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a5847da18962d5aa3509f3e77239ad1d004f00da3205f5a24c8ec749df2633

Aliases

arxiv: 2009.05106 · arxiv_version: 2009.05106v1 · doi: 10.48550/arxiv.2009.05106 · pith_short_12: 4GSYI7NBRFRN · pith_short_16: 4GSYI7NBRFRNLKRV · pith_short_8: 4GSYI7NB

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/4GSYI7NBRFRNLKRVBHZ6O4RZVU \
  | 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: e1a5847da18962d5aa3509f3e77239ad1d004f00da3205f5a24c8ec749df2633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ffc7253bcbb9b038d8977bcc1a4c472034df346e5c86e693521e39450e66b61",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2020-09-09T09:09:56Z",
    "title_canon_sha256": "e565e36d12d21ac90d76bc19b457a0a30a4d5f75ecd7277a0b40bcff87f1283a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05106",
    "kind": "arxiv",
    "version": 1
  }
}