Pith Number

pith:F7SBGMZS

pith:2021:F7SBGMZSU4JAT5NHCD3DHYML7V

not attested not anchored not stored refs pending

Improved Meta-Learning Training for Speaker Verification

Bin Gu, Wu Guo, Yafeng Chen

arxiv:2103.15421 v2 · 2021-03-29 · eess.AS · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7SBGMZSU4JAT5NHCD3DHYML7V}

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	2026-07-05T06:37:09.433695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe4133332a71209f5a710f633e18bfd645bf9261e3724dc31a753a97daca14f

Aliases

arxiv: 2103.15421 · arxiv_version: 2103.15421v2 · doi: 10.48550/arxiv.2103.15421 · pith_short_12: F7SBGMZSU4JA · pith_short_16: F7SBGMZSU4JAT5NH · pith_short_8: F7SBGMZS

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/F7SBGMZSU4JAT5NHCD3DHYML7V \
  | 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: 2fe4133332a71209f5a710f633e18bfd645bf9261e3724dc31a753a97daca14f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bdf0905e5590c4fd4851be1e4f5fbb4df75215ef25af03c091c494a6891a399",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-03-29T08:37:27Z",
    "title_canon_sha256": "c2016b28244c3075d2cf9e4755106913dbf122ca77f114713839ec39842895cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15421",
    "kind": "arxiv",
    "version": 2
  }
}