Pith Number

pith:4FZWPYAW

pith:2013:4FZWPYAWSH4HJ3JVSHVWP7ELUF

not attested not anchored not stored refs pending

Electronically Tunable Voltage-Mode Biquad Filter/Oscillator Based On CCCCTAs

Devansh, Gungan Gupta, Kanika Nagpal, Rahul Chhabra, Sajai Vir Singh

arxiv:1306.5412 v1 · 2013-06-23 · cs.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FZWPYAWSH4HJ3JVSHVWP7ELUF}

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	2026-05-18T03:20:08.204045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17367e01691f874ed3591eb67fc8ba17d23fffeef6695acfaa77dcc1e9ea974

Aliases

arxiv: 1306.5412 · arxiv_version: 1306.5412v1 · doi: 10.48550/arxiv.1306.5412 · pith_short_12: 4FZWPYAWSH4H · pith_short_16: 4FZWPYAWSH4HJ3JV · pith_short_8: 4FZWPYAW

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/4FZWPYAWSH4HJ3JVSHVWP7ELUF \
  | 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: e17367e01691f874ed3591eb67fc8ba17d23fffeef6695acfaa77dcc1e9ea974

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f45d7fa1131ba55ec69cc9c0c7b1f57f876f19f788dbfd62674e761885cb9a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-06-23T14:11:45Z",
    "title_canon_sha256": "2ffcf28da8bd88aee3bc3a53a100007e51740060f9722dbb49de5cb34d4e9906"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5412",
    "kind": "arxiv",
    "version": 1
  }
}