Pith Number

pith:6Q76KQ42

pith:2012:6Q76KQ42YCJBIQEUULLITSKVVL

not attested not anchored not stored refs pending

Extending the Concept of Analog Butterworth Filter for Fractional Order Systems

Anish Acharya, Indranil Pan, Saptarshi Das, Shantanu Das

arxiv:1210.8194 v3 · 2012-10-30 · 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{6Q76KQ42YCJBIQEUULLITSKVVL}

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	2026-05-18T02:35:52.618767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f43fe5439ac092144094a2d689c955aafedf42f8fba12ae4a28911a30285c3af

Aliases

arxiv: 1210.8194 · arxiv_version: 1210.8194v3 · doi: 10.48550/arxiv.1210.8194 · pith_short_12: 6Q76KQ42YCJB · pith_short_16: 6Q76KQ42YCJBIQEU · pith_short_8: 6Q76KQ42

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/6Q76KQ42YCJBIQEUULLITSKVVL \
  | 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: f43fe5439ac092144094a2d689c955aafedf42f8fba12ae4a28911a30285c3af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab3b0901b065388ccb5ce611d4f4d8c60bf7820ebf11f2425ab7a2d00e02139",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2012-10-30T23:07:42Z",
    "title_canon_sha256": "c1aa6659103e3757eba1379900d618d664d81ab4c6c0aef1491912570140089d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8194",
    "kind": "arxiv",
    "version": 3
  }
}