Pith Number

pith:XD77OK4P

pith:2018:XD77OK4PKSEEDMYH5FSSAOCCLY

not attested not anchored not stored refs pending

Spontaneous spinning of a rattleback placed on vibrating platform

Aditya Nanda, M. Amin Karami, Puneet Singla

arxiv:1804.08163 v1 · 2018-04-22 · 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{XD77OK4PKSEEDMYH5FSSAOCCLY}

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	2026-05-18T00:17:49.358125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8fff72b8f548841b307e9652038425e2a4dbbdc45cfbff117157fe38b11a22f

Aliases

arxiv: 1804.08163 · arxiv_version: 1804.08163v1 · doi: 10.48550/arxiv.1804.08163 · pith_short_12: XD77OK4PKSEE · pith_short_16: XD77OK4PKSEEDMYH · pith_short_8: XD77OK4P

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/XD77OK4PKSEEDMYH5FSSAOCCLY \
  | 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: b8fff72b8f548841b307e9652038425e2a4dbbdc45cfbff117157fe38b11a22f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b115b63d30dedc6db79cb115e6632b501a713dc8698f8f27691ca6b58f85105",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-04-22T20:34:10Z",
    "title_canon_sha256": "acb3439bf74b11582a7044d2e37334391b5f766866d8e4a7dab83d59874b5060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08163",
    "kind": "arxiv",
    "version": 1
  }
}