Pith Number

pith:WU4NQOHX

pith:2015:WU4NQOHXVPT4UQY7DBNQKTB7E4

not attested not anchored not stored refs pending

Sliding without slipping under Coulomb friction: opening waves and inversion of frictional force

Vladislav A. Yastrebov

arxiv:1507.07334 v2 · 2015-07-27 · 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{WU4NQOHXVPT4UQY7DBNQKTB7E4}

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	2026-05-18T01:20:01.563100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b538d838f7abe7ca431f185b054c3f272f167f2c2a6863dc06b61919e658a2e8

Aliases

arxiv: 1507.07334 · arxiv_version: 1507.07334v2 · doi: 10.48550/arxiv.1507.07334 · pith_short_12: WU4NQOHXVPT4 · pith_short_16: WU4NQOHXVPT4UQY7 · pith_short_8: WU4NQOHX

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/WU4NQOHXVPT4UQY7DBNQKTB7E4 \
  | 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: b538d838f7abe7ca431f185b054c3f272f167f2c2a6863dc06b61919e658a2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2255b16a0ce7a7b69e41efe466cf9f1cf92c57e7300d54bbaa5ccc7bc63e4f29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2015-07-27T09:01:59Z",
    "title_canon_sha256": "46987db5086aeb2905e3d26dd1e05924d93b0467d0d7d6af25f818b52fe73613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07334",
    "kind": "arxiv",
    "version": 2
  }
}