Pith Number

pith:LJITYA7K

pith:2013:LJITYA7KS5RQMBXTNZ6PLZF2YQ

not attested not anchored not stored refs pending

Speech Enhancement Using Pitch Detection Approach For Noisy Environment

Rashmi Makhijani, Urmila Shrawankar, V M Thakare

arxiv:1305.2352 v1 · 2013-05-09 · cs.SD · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJITYA7KS5RQMBXTNZ6PLZF2YQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:26:00.247508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a513c03ea97630606f36e7cf5e4bac42def526e116446f8b44fac0e611f77c8

Aliases

arxiv: 1305.2352 · arxiv_version: 1305.2352v1 · doi: 10.48550/arxiv.1305.2352 · pith_short_12: LJITYA7KS5RQ · pith_short_16: LJITYA7KS5RQMBXT · pith_short_8: LJITYA7K

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/LJITYA7KS5RQMBXTNZ6PLZF2YQ \
  | 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: 5a513c03ea97630606f36e7cf5e4bac42def526e116446f8b44fac0e611f77c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "410a3f64c6d26f411b934816f424bced9b76dd9be0e3141fb9a11c53635fc1d3",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2013-05-09T08:39:11Z",
    "title_canon_sha256": "736b8d62ac5a75f9fdfa338a7d2eb46ee7d3ca0c28e7a3522b32e55dedbd9b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2352",
    "kind": "arxiv",
    "version": 1
  }
}