Pith Number

pith:SBGFAEZP

pith:2021:SBGFAEZPF5DLKOOBOJP4LYCGKV

not attested not anchored not stored refs pending

A hybrid phase field method for fluid-structure interactions in viscous fluids

Qi Hong, Qi Wang

arxiv:2109.07361 v1 · 2021-09-15 · physics.flu-dyn · 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{SBGFAEZPF5DLKOOBOJP4LYCGKV}

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	2026-07-05T03:14:48.227753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

904c50132f2f46b539c1725fc5e046555139b60125cccd04accff05064f8091a

Aliases

arxiv: 2109.07361 · arxiv_version: 2109.07361v1 · doi: 10.48550/arxiv.2109.07361 · pith_short_12: SBGFAEZPF5DL · pith_short_16: SBGFAEZPF5DLKOOB · pith_short_8: SBGFAEZP

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/SBGFAEZPF5DLKOOBOJP4LYCGKV \
  | 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: 904c50132f2f46b539c1725fc5e046555139b60125cccd04accff05064f8091a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8492e74e1ff2dbe3175a30c57f114c1d90307e99da66095254630ac1ca4a5c4d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-09-15T15:14:46Z",
    "title_canon_sha256": "9209209a7632fc1c585fa698edde17517ad0bed052624de06a02177d6bc2ba84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07361",
    "kind": "arxiv",
    "version": 1
  }
}