Pith Number

pith:65S4T3ZG

pith:2018:65S4T3ZGHRJRX4TBO4BLTPEDYZ

not attested not anchored not stored refs pending

Study of normal modes and symmetry breaking in a two-dimensional pendulum

Arvind, Mandip Singh, Paramdeep Singh, R. C. Singh

arxiv:1806.06222 v1 · 2018-06-16 · physics.ed-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{65S4T3ZGHRJRX4TBO4BLTPEDYZ}

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	2026-05-18T00:13:03.241870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f765c9ef263c531bf2617702b9bc83c6495001d2bf8321cb46d429f84c720c24

Aliases

arxiv: 1806.06222 · arxiv_version: 1806.06222v1 · doi: 10.48550/arxiv.1806.06222 · pith_short_12: 65S4T3ZGHRJR · pith_short_16: 65S4T3ZGHRJRX4TB · pith_short_8: 65S4T3ZG

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/65S4T3ZGHRJRX4TBO4BLTPEDYZ \
  | 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: f765c9ef263c531bf2617702b9bc83c6495001d2bf8321cb46d429f84c720c24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d8eaef8f6c2be00d08a08f400805ac5879468e3bcf7a54f6e2d2300f57ff16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-06-16T11:03:53Z",
    "title_canon_sha256": "79365eda00a7af51c1e8302e88e3ebffa40fe5c24ad639f7e3173c7ea4092fb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06222",
    "kind": "arxiv",
    "version": 1
  }
}