Pith Number

pith:Q7MJQN7Y

pith:2011:Q7MJQN7Y7JMKLV6SFT62LPMWDK

not attested not anchored not stored refs pending

Topology of Vibro-Impact Systems in the Neighborhood of Grazing

Marian Wiercigroch, Sergey Kryzhevich

arxiv:1106.3589 v1 · 2011-06-17 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7MJQN7Y7JMKLV6SFT62LPMWDK}

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	2026-05-18T02:01:35.405409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d89837f8fa58a5d7d22cfda5bd961ab008644165c2245301220aebf8a0967c

Aliases

arxiv: 1106.3589 · arxiv_version: 1106.3589v1 · doi: 10.48550/arxiv.1106.3589 · pith_short_12: Q7MJQN7Y7JMK · pith_short_16: Q7MJQN7Y7JMKLV6S · pith_short_8: Q7MJQN7Y

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/Q7MJQN7Y7JMKLV6SFT62LPMWDK \
  | 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: 87d89837f8fa58a5d7d22cfda5bd961ab008644165c2245301220aebf8a0967c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98795ae8ec3bcde79f4e43e431a3db94d71ce768039ed896ae791fd4e6ab9364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-06-17T22:20:03Z",
    "title_canon_sha256": "434e6616147bf6e021a79cb66f59df7f7810b95d50f76cef9bc16f29f7589c9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3589",
    "kind": "arxiv",
    "version": 1
  }
}