Pith Number

pith:6DKQQTRD

pith:2010:6DKQQTRDJCV7LO4RLL4ZBPDLLI

not attested not anchored not stored refs pending

A full Eulerian finite difference approach for solving fluid-structure coupling problems

Kazuyasu Sugiyama, Satoshi Ii, Shintaro Takeuchi, Shu Takagi, Yoichiro Matsumoto

arxiv:1009.3609 v1 · 2010-09-19 · physics.comp-ph · physics.flu-dyn

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

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	2026-05-18T02:05:21.836495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0d5084e2348abf5bb915af990bc6b5a0cd22e989a22b9d1e79b752d19e855d0

Aliases

arxiv: 1009.3609 · arxiv_version: 1009.3609v1 · doi: 10.48550/arxiv.1009.3609 · pith_short_12: 6DKQQTRDJCV7 · pith_short_16: 6DKQQTRDJCV7LO4R · pith_short_8: 6DKQQTRD

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/6DKQQTRDJCV7LO4RLL4ZBPDLLI \
  | 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: f0d5084e2348abf5bb915af990bc6b5a0cd22e989a22b9d1e79b752d19e855d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c506c66908f3c2b60098e258aaa212950b3933242ecb9263558e7aee360800c8",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2010-09-19T06:23:31Z",
    "title_canon_sha256": "2e888e67f9daa05613724ad6699d6c9dbe5c7283afd0ea45ec2a312748a0c487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3609",
    "kind": "arxiv",
    "version": 1
  }
}