pith. sign in
Pith Number

pith:YWLJGH5Z

pith:1999:YWLJGH5ZQ4ZAV7FAHUMPVBZJH3
not attested not anchored not stored refs pending

Incipient Motion Criteria for a Rigid Sediment Grain on a Rigid Surface

S.J. Childs

arxiv:physics/9908065 v3 · 1999-08-31 · physics.geo-ph · physics.ao-ph · physics.comp-ph · physics.flu-dyn

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YWLJGH5ZQ4ZAV7FAHUMPVBZJH3}

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 2026-07-04T14:45:03.393079Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c596931fb987320afca03d18fa87293ed5890577dcdf331ad8c3c78ce37b68b9

Aliases

arxiv: physics/9908065 · arxiv_version: physics/9908065v3 · doi: 10.48550/arxiv.physics/9908065 · pith_short_12: YWLJGH5ZQ4ZA · pith_short_16: YWLJGH5ZQ4ZAV7FA · pith_short_8: YWLJGH5Z
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YWLJGH5ZQ4ZAV7FAHUMPVBZJH3 \
  | 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: c596931fb987320afca03d18fa87293ed5890577dcdf331ad8c3c78ce37b68b9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9e7403358adab3e331d7f12f032601884f528e47959a0e173a5e8b17bdb7d7fd",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "1999-08-31T22:03:11Z",
    "title_canon_sha256": "86cf08d04fe31d2c6d76ca10477706a3fc6f830a8510dc7aff2b6f6f4c3a6513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9908065",
    "kind": "arxiv",
    "version": 3
  }
}