Pith Number

pith:E4KSBNQ4

pith:2018:E4KSBNQ4LTQY6FC5AGE3NB7DHL

not attested not anchored not stored refs pending

Reference Map Technique for Incompressible Fluid-Structure Interaction

Chen-Hung Wu, Chris H. Rycroft, Ken Kamrin, Yue Yu

arxiv:1810.03015 v1 · 2018-10-06 · physics.flu-dyn · math.NA

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	2026-05-18T00:03:54.805198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271520b61c5ce18f145d0189b687e33ad6583b9c104154c8fe2e5b8c877d7ee2

Aliases

arxiv: 1810.03015 · arxiv_version: 1810.03015v1 · doi: 10.48550/arxiv.1810.03015 · pith_short_12: E4KSBNQ4LTQY · pith_short_16: E4KSBNQ4LTQY6FC5 · pith_short_8: E4KSBNQ4

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/E4KSBNQ4LTQY6FC5AGE3NB7DHL \
  | 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: 271520b61c5ce18f145d0189b687e33ad6583b9c104154c8fe2e5b8c877d7ee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae4a77559a2945f29a117d4c7e676b09a3cfeb920351441a10ccc1809bef61c7",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-10-06T16:22:37Z",
    "title_canon_sha256": "558c2260d90b5a690086dece41f421958f4bdf67643975bd74520dde5e684933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03015",
    "kind": "arxiv",
    "version": 1
  }
}