Pith Number

pith:QQT3CQQF

pith:2013:QQT3CQQFHRO4EGPFACRTZVYOMK

not attested not anchored not stored refs pending

Simple Harmonic Motion:Geometrical Solutions of Equations of Motions

Soubhik Kumar, Sridip Pal

arxiv:1311.7159 v1 · 2013-11-22 · 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{QQT3CQQFHRO4EGPFACRTZVYOMK}

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	2026-05-18T03:05:57.096878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8427b142053c5dc219e500a33cd70e62a970c27d34f4a6c408f2bf7ddcfc5f3a

Aliases

arxiv: 1311.7159 · arxiv_version: 1311.7159v1 · doi: 10.48550/arxiv.1311.7159 · pith_short_12: QQT3CQQFHRO4 · pith_short_16: QQT3CQQFHRO4EGPF · pith_short_8: QQT3CQQF

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/QQT3CQQFHRO4EGPFACRTZVYOMK \
  | 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: 8427b142053c5dc219e500a33cd70e62a970c27d34f4a6c408f2bf7ddcfc5f3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c8f6f07c2fe415755db13556ff3ccea3f9cfa3bb01d6b06f7ddbb36e0e48439",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-11-22T18:36:36Z",
    "title_canon_sha256": "baadec33a694cc2f9fc7681b03b1492b5abb58c899e8935168f6c0ed7a592425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7159",
    "kind": "arxiv",
    "version": 1
  }
}