Pith Number

pith:UY6GRMDD

pith:2015:UY6GRMDDMH4ZDFDWSDHO4TFVFJ

not attested not anchored not stored refs pending

STC Anti-spoofing Systems for the ASVspoof 2015 Challenge

Alexandr Kozlov, Galina Lavrentyeva, Konstantin Simonchik, Sergey Novoselov, Vadim Shchemelinin

arxiv:1507.08074 v1 · 2015-07-29 · cs.SD · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UY6GRMDDMH4ZDFDWSDHO4TFVFJ}

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	2026-05-18T01:36:08.398413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a63c68b06361f991947690ceee4cb52a6a20e0f13944f73005fceeaba201746f

Aliases

arxiv: 1507.08074 · arxiv_version: 1507.08074v1 · doi: 10.48550/arxiv.1507.08074 · pith_short_12: UY6GRMDDMH4Z · pith_short_16: UY6GRMDDMH4ZDFDW · pith_short_8: UY6GRMDD

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/UY6GRMDDMH4ZDFDWSDHO4TFVFJ \
  | 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: a63c68b06361f991947690ceee4cb52a6a20e0f13944f73005fceeaba201746f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca422fdd2b271f14a5f1950e50f8ea72622bf4cd47adac4815e63f1001b2f7d1",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2015-07-29T09:22:58Z",
    "title_canon_sha256": "df48e22a4555d1425616d0ac85fdd973a4b35b88f0a51d28fc4e2ce321a0d784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08074",
    "kind": "arxiv",
    "version": 1
  }
}