Pith Number

pith:BPFZUP6V

pith:2016:BPFZUP6VBV7SHF7R4RKNUQW43Y

not attested not anchored not stored refs pending

Three-dimensional sand ripples as the product of vortex instability

Erick de Moraes Franklin

arxiv:1608.04035 v1 · 2016-08-13 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPFZUP6VBV7SHF7R4RKNUQW43Y}

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	2026-05-18T01:09:04.406322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bcb9a3fd50d7f2397f1e454da42dcde2073364d6bbc067cc2c3c3d0eddb1630

Aliases

arxiv: 1608.04035 · arxiv_version: 1608.04035v1 · doi: 10.48550/arxiv.1608.04035 · pith_short_12: BPFZUP6VBV7S · pith_short_16: BPFZUP6VBV7SHF7R · pith_short_8: BPFZUP6V

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/BPFZUP6VBV7SHF7R4RKNUQW43Y \
  | 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: 0bcb9a3fd50d7f2397f1e454da42dcde2073364d6bbc067cc2c3c3d0eddb1630

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd481547bb1f1f557d97656baf9f844e5f3d76a01c3b44c2435e7964eb1124a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2016-08-13T23:33:55Z",
    "title_canon_sha256": "f43d1fec8211b1e50b31030e7c81f373da20967e2897d60137c305ad4d3df68c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04035",
    "kind": "arxiv",
    "version": 1
  }
}