Pith Number

pith:LMRKSOQZ

pith:2012:LMRKSOQZ2MZFHSNW6V6EC42UWS

not attested not anchored not stored refs pending

Speech Recognition: Increasing Efficiency of Support Vector Machines

Aamir Khan, Asar Ali, Muhammad Farhan

arxiv:1204.4257 v1 · 2012-04-19 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LMRKSOQZ2MZFHSNW6V6EC42UWS}

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	2026-05-18T03:57:28.008256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b22a93a19d33253c9b6f57c417354b49050ee5e5e3ff2833005a10fe7adb30e

Aliases

arxiv: 1204.4257 · arxiv_version: 1204.4257v1 · doi: 10.48550/arxiv.1204.4257 · pith_short_12: LMRKSOQZ2MZF · pith_short_16: LMRKSOQZ2MZFHSNW · pith_short_8: LMRKSOQZ

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/LMRKSOQZ2MZFHSNW6V6EC42UWS \
  | 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: 5b22a93a19d33253c9b6f57c417354b49050ee5e5e3ff2833005a10fe7adb30e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69efb79f6a77b058812f218febbc1984e882b97b618bba5c5732aff2d8c8fa29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-04-19T06:10:02Z",
    "title_canon_sha256": "be4160583dab64a4241f9e9c348aa74ece51018929df68da6fbb2bc61f9263a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4257",
    "kind": "arxiv",
    "version": 1
  }
}