Pith Number

pith:MJR7FVG6

pith:2021:MJR7FVG67BHVE5AWILW2LODP5E

not attested not anchored not stored refs pending

FDN: Finite Difference Network with Hierarchical Convolutional Features for Text-independent Speaker Verification

Jin Li, Lan Wang, Nan Yan

arxiv:2108.07974 v2 · 2021-08-18 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJR7FVG67BHVE5AWILW2LODP5E}

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	2026-07-05T03:20:37.357138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6263f2d4def84f52741642eda5b86fe905b97afd60b26d14e0680c39babb5e01

Aliases

arxiv: 2108.07974 · arxiv_version: 2108.07974v2 · doi: 10.48550/arxiv.2108.07974 · pith_short_12: MJR7FVG67BHV · pith_short_16: MJR7FVG67BHVE5AW · pith_short_8: MJR7FVG6

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/MJR7FVG67BHVE5AWILW2LODP5E \
  | 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: 6263f2d4def84f52741642eda5b86fe905b97afd60b26d14e0680c39babb5e01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15b7b90fdadf60d5bbf5f2161565213a7a67c4fb495802fa4a0dadc0e2b4dc2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-08-18T05:01:00Z",
    "title_canon_sha256": "e4577dbf37cc42893bbe9e26bf60270017d19e3004044dbe838ee32a732e808d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07974",
    "kind": "arxiv",
    "version": 2
  }
}