Pith Number

pith:HFMUDAVS

pith:2020:HFMUDAVSYYFCICBPEU7J6K32KW

not attested not anchored not stored refs pending

Spatial and temporal development of incipient dunes

Andrew Gunn, Bruno Andreotti, Cl\'ement Narteau, Cyril Gadal, Douglas Jerolmack, Philippe Claudin, Ryan C. Ewing

arxiv:2008.12269 v2 · 2020-08-27 · physics.geo-ph · nlin.PS · 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{HFMUDAVSYYFCICBPEU7J6K32KW}

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	2026-07-05T01:39:44.883473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39594182b2c60a24082f253e9f2b7a5589951dc1588dad008a4bfd3000ab1a02

Aliases

arxiv: 2008.12269 · arxiv_version: 2008.12269v2 · doi: 10.48550/arxiv.2008.12269 · pith_short_12: HFMUDAVSYYFC · pith_short_16: HFMUDAVSYYFCICBP · pith_short_8: HFMUDAVS

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/HFMUDAVSYYFCICBPEU7J6K32KW \
  | 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: 39594182b2c60a24082f253e9f2b7a5589951dc1588dad008a4bfd3000ab1a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0776f529c85e84e39915dfecddf9d052021eb10c2453c023431ae5edcdb6e6c2",
    "cross_cats_sorted": [
      "nlin.PS",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2020-08-27T17:16:08Z",
    "title_canon_sha256": "82e61cf704f80710959be86e6781799db4fbdaa7939a00ab0474f14bacad96bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.12269",
    "kind": "arxiv",
    "version": 2
  }
}