Pith Number

pith:QFH6I66K

pith:2015:QFH6I66KUECTWKE6ARYJURRY2N

not attested not anchored not stored refs pending

Variable Viscosity and Density Biofilm Simulations using an Immersed Boundary Method, Part II: Experimental Validation and the Heterogeneous Rheology-IBM

David M. Bortz, Elizabeth J. Stewart, Jason F. Hammond, Jay A. Stotsky, John G. Younger, Leonid Pavlovsky, Michael J. Solomon

arxiv:1504.07326 v2 · 2015-04-28 · math.NA · q-bio.CB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFH6I66KUECTWKE6ARYJURRY2N}

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	2026-05-18T01:12:08.570195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

814fe47bcaa1053b289e04709a4638d37b8919bb3838b4d0da36a7d01a80f6fa

Aliases

arxiv: 1504.07326 · arxiv_version: 1504.07326v2 · doi: 10.48550/arxiv.1504.07326 · pith_short_12: QFH6I66KUECT · pith_short_16: QFH6I66KUECTWKE6 · pith_short_8: QFH6I66K

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/QFH6I66KUECTWKE6ARYJURRY2N \
  | 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: 814fe47bcaa1053b289e04709a4638d37b8919bb3838b4d0da36a7d01a80f6fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32d037fbe4c2b363e754b5ef5c1dfd3b164cafe39ab498a6333bdab0e1393304",
    "cross_cats_sorted": [
      "q-bio.CB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-28T01:48:21Z",
    "title_canon_sha256": "07ed17221c2f68995a9291a4e3bc9506d412cbf51e30604ed85f7b5859b9f40e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07326",
    "kind": "arxiv",
    "version": 2
  }
}