Pith Number

pith:ZCETIXFO

pith:2011:ZCETIXFOZXMI4O4S6APGHTRSJL

not attested not anchored not stored refs pending

Rolling of asymmetric disks on an inclined plane

Ben Yu-Kuang Hu

arxiv:1107.4056 v1 · 2011-07-20 · physics.class-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{ZCETIXFOZXMI4O4S6APGHTRSJL}

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	2026-05-18T01:32:42.160897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c889345caecdd88e3b92f01e63ce324aea9beb92ac057b2f1fb6367c40308448

Aliases

arxiv: 1107.4056 · arxiv_version: 1107.4056v1 · doi: 10.48550/arxiv.1107.4056 · pith_short_12: ZCETIXFOZXMI · pith_short_16: ZCETIXFOZXMI4O4S · pith_short_8: ZCETIXFO

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/ZCETIXFOZXMI4O4S6APGHTRSJL \
  | 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: c889345caecdd88e3b92f01e63ce324aea9beb92ac057b2f1fb6367c40308448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845079a1a476def2abe52acf6d17d74e8c936b736a9b1a25df7f20959c3c7480",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2011-07-20T18:24:28Z",
    "title_canon_sha256": "40be87fef4dbba98b25245b448dc42e68f223c39d4a029b220e6b57a69ae8881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4056",
    "kind": "arxiv",
    "version": 1
  }
}