Pith Number

pith:T2O6VIDN

pith:2023:T2O6VIDNPJSEY2LBAAQCVBRE7Q

not attested not anchored not stored refs pending

Two simple experiments using FFT with digital devices in the introductory physics laboratory

Eugenio Tufino, Italy), Luigi Gratton, Stefano Oss (Physics Department, University of Trento

arxiv:2305.05223 v1 · 2023-05-09 · 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{T2O6VIDNPJSEY2LBAAQCVBRE7Q}

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	2026-07-05T06:49:42.588439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e9deaa06d7a644c696100202a8624fc2bc77bfbfaf9b1c7bf761e797dc629b6

Aliases

arxiv: 2305.05223 · arxiv_version: 2305.05223v1 · doi: 10.48550/arxiv.2305.05223 · pith_short_12: T2O6VIDNPJSE · pith_short_16: T2O6VIDNPJSEY2LB · pith_short_8: T2O6VIDN

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/T2O6VIDNPJSEY2LBAAQCVBRE7Q \
  | 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: 9e9deaa06d7a644c696100202a8624fc2bc77bfbfaf9b1c7bf761e797dc629b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "049761967bc418ab2f3ee46cfaa54eaba28c76df7e3c7255962e4db374306106",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2023-05-09T07:38:28Z",
    "title_canon_sha256": "efdc76d6a232125c8496661404732989a63e2457a089ed36dd25e27a484610b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.05223",
    "kind": "arxiv",
    "version": 1
  }
}