Pith Number

pith:ZY5T74Y5

pith:2012:ZY5T74Y5QROXU2E655EYGFUQ4V

not attested not anchored not stored refs pending

A numerical study of the motion of a neutrally buoyant cylinder in two dimensional shear flow

Chien-Cheng Chang, Chin-Chou Chu, Shih-Di Chen, Shih-Lin Huang, Tsorng-Whay Pan

arxiv:1209.0805 v1 · 2012-09-04 · physics.flu-dyn · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZY5T74Y5QROXU2E655EYGFUQ4V}

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	2026-05-18T03:46:16.189074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce3b3ff31d845d7a689eef49831690e56e34b022a8c57585281c888ab8ec3ead

Aliases

arxiv: 1209.0805 · arxiv_version: 1209.0805v1 · doi: 10.48550/arxiv.1209.0805 · pith_short_12: ZY5T74Y5QROX · pith_short_16: ZY5T74Y5QROXU2E6 · pith_short_8: ZY5T74Y5

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/ZY5T74Y5QROXU2E655EYGFUQ4V \
  | 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: ce3b3ff31d845d7a689eef49831690e56e34b022a8c57585281c888ab8ec3ead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92fb50421e48825eda2826d39434a9dc0345784c1c69fed922785781873579e5",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-09-04T21:45:03Z",
    "title_canon_sha256": "bf925975934404203f0274d68795e755977a63fbc9014329c25e88241b1f48e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0805",
    "kind": "arxiv",
    "version": 1
  }
}