Pith Number

pith:UFDSRZWN

pith:2025:UFDSRZWNU6NE6Q7VPTQBCEZ7FI

not attested not anchored not stored refs pending

Evolving dunes under flow reversals: from an initial heap toward an inverted dune

Erick de Moraes Franklin, Nathalie Vriend, Willian Righi Assis

arxiv:2505.06707 v1 · 2025-05-10 · physics.geo-ph · 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{UFDSRZWNU6NE6Q7VPTQBCEZ7FI}

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	2026-07-05T11:01:14.634096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14728e6cda79a4f43f57ce011133f2a3549bf93013dbf430572f01187067457

Aliases

arxiv: 2505.06707 · arxiv_version: 2505.06707v1 · doi: 10.48550/arxiv.2505.06707 · pith_short_12: UFDSRZWNU6NE · pith_short_16: UFDSRZWNU6NE6Q7V · pith_short_8: UFDSRZWN

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/UFDSRZWNU6NE6Q7VPTQBCEZ7FI \
  | 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: a14728e6cda79a4f43f57ce011133f2a3549bf93013dbf430572f01187067457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64f00d4b60c5042701151d6712bfd308e789a4dfb7ac549488a0257cfa434572",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2025-05-10T17:05:12Z",
    "title_canon_sha256": "8da65f56029b1996c537d5b9880da819e4fecbfd9771e692f7c3b97a1386c99c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06707",
    "kind": "arxiv",
    "version": 1
  }
}