Pith Number

pith:ND35263W

pith:2012:ND35263WNAKRRYP2ZEE3EIWLGT

not attested not anchored not stored refs pending

Single-sided Real-time PESQ Score Estimation

Gerardo Rubino, Mart\'in Varela, Sebasti\'an Basterrech

arxiv:1212.6350 v1 · 2012-12-27 · cs.SD · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ND35263WNAKRRYP2ZEE3EIWLGT}

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	2026-05-18T03:37:40.046374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68f7dd7b76681518e1fac909b222cb34cb69afab547ccf9c5477df058efa957b

Aliases

arxiv: 1212.6350 · arxiv_version: 1212.6350v1 · doi: 10.48550/arxiv.1212.6350 · pith_short_12: ND35263WNAKR · pith_short_16: ND35263WNAKRRYP2 · pith_short_8: ND35263W

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/ND35263WNAKRRYP2ZEE3EIWLGT \
  | 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: 68f7dd7b76681518e1fac909b222cb34cb69afab547ccf9c5477df058efa957b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20d0b7f1ac4e06125516f90929c29ee2cf711636219281b700ba828230b40066",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2012-12-27T11:31:16Z",
    "title_canon_sha256": "542bda2c8f9bf59312c0398a0bf60544103b2f93162f00145a00753123f64ba5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6350",
    "kind": "arxiv",
    "version": 1
  }
}