Pith Number

pith:L3QHDK2X

pith:2021:L3QHDK2X3OTHPUICVQ5FX4YYB2

not attested not anchored not stored refs pending

Reverse analysis of a spiral injector to find geometrical parameters and flow conditions us-ing a GA-based program

Abbas Elkaie, Armin Abdehkakha, Maziar Shafaee

arxiv:2106.04607 v1 · 2021-06-08 · physics.flu-dyn · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3QHDK2X3OTHPUICVQ5FX4YYB2}

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	2026-07-05T02:47:47.110002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ee071ab57dba677d102ac3a5bf3180e8ab265da8bbf529e4f9ea4702364e4a5

Aliases

arxiv: 2106.04607 · arxiv_version: 2106.04607v1 · doi: 10.48550/arxiv.2106.04607 · pith_short_12: L3QHDK2X3OTH · pith_short_16: L3QHDK2X3OTHPUIC · pith_short_8: L3QHDK2X

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/L3QHDK2X3OTHPUICVQ5FX4YYB2 \
  | 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: 5ee071ab57dba677d102ac3a5bf3180e8ab265da8bbf529e4f9ea4702364e4a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f31667d8575ee68a1995d3de5defa3491d01f8c3ab1707a13ffa6e7db8a83133",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-06-08T18:00:55Z",
    "title_canon_sha256": "6b09c845121bc99343b777ebef9aa68fe485e546b5dc73af53760d7232786060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04607",
    "kind": "arxiv",
    "version": 1
  }
}