Pith Number

pith:QGMBNMQR

pith:2016:QGMBNMQR7ISDF2SDF7C2HMRZRI

not attested not anchored not stored refs pending

Meandering instability of air flow in a granular bed: self-similarity and fluid-solid duality

Ko Okumura, Yui Yagisawa, Yuki Yoshimura

arxiv:1611.08674 v2 · 2016-11-26 · cond-mat.soft · cond-mat.stat-mech · nlin.PS · physics.flu-dyn · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QGMBNMQR7ISDF2SDF7C2HMRZRI}

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	2026-05-18T00:55:20.248048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

819816b211fa2432ea432fc5a3b2398a3c6ff4b501a0abdc96c31c3f534eba2d

Aliases

arxiv: 1611.08674 · arxiv_version: 1611.08674v2 · doi: 10.48550/arxiv.1611.08674 · pith_short_12: QGMBNMQR7ISD · pith_short_16: QGMBNMQR7ISDF2SD · pith_short_8: QGMBNMQR

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/QGMBNMQR7ISDF2SDF7C2HMRZRI \
  | 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: 819816b211fa2432ea432fc5a3b2398a3c6ff4b501a0abdc96c31c3f534eba2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce78ed8cf8175c958d5fa4f39f6e291d3f5f4610fea3786969575eeca3ccb6b2",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "nlin.PS",
      "physics.flu-dyn",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2016-11-26T07:48:58Z",
    "title_canon_sha256": "37e5d5dabce4792d31436c5a1967876c0641a8ae8ef7a14eb0ef04cdb00e85b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08674",
    "kind": "arxiv",
    "version": 2
  }
}