Pith Number

pith:CXMC6X6R

pith:2013:CXMC6X6R4KYPBHHGIRXNF4PAZW

not attested not anchored not stored refs pending

Exploring viscous damping in undergraduate Physics laboratory using electromagnetically coupled oscillators

Anand S. Sengupta (1), Barun Majumder (1) ((1) Indian Institute of Technology, Gandhinagar), M. Bhalerao (1), N. Jayaprasad (1), P. Sadani (1)

arxiv:1311.7489 v1 · 2013-11-29 · 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{CXMC6X6R4KYPBHHGIRXNF4PAZW}

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	2026-05-18T03:05:56.067135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15d82f5fd1e2b0f09ce6446ed2f1e0cd9932c042f3e328d382317c27e2a0f5e6

Aliases

arxiv: 1311.7489 · arxiv_version: 1311.7489v1 · doi: 10.48550/arxiv.1311.7489 · pith_short_12: CXMC6X6R4KYP · pith_short_16: CXMC6X6R4KYPBHHG · pith_short_8: CXMC6X6R

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/CXMC6X6R4KYPBHHGIRXNF4PAZW \
  | 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: 15d82f5fd1e2b0f09ce6446ed2f1e0cd9932c042f3e328d382317c27e2a0f5e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5823ce0a522d7d13fae878535b86e0a4edf9e689d89a779ec9ed908283a983a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-11-29T09:07:37Z",
    "title_canon_sha256": "cc62e15490e2536d5a32898179cb2bb55668cfddbfa3b7511402bb7a6e1f1a7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7489",
    "kind": "arxiv",
    "version": 1
  }
}