Pith Number

pith:UTQJIOLF

pith:2020:UTQJIOLFSL3MELYRWFSEAJGAWI

not attested not anchored not stored refs pending

DNN No-Reference PSTN Speech Quality Prediction

Gabriel Mittag, Michael Revow, Naglakshmi Chande, Robert Aichner, Ross Cutler, Sriram Srinivasan, Yasaman Hosseinkashi

arxiv:2007.14598 v1 · 2020-07-29 · 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{UTQJIOLFSL3MELYRWFSEAJGAWI}

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	2026-07-05T01:23:17.393658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e094396592f6c22f11b1644024c0b21df751f0e4c5dad1c7c52b50bd2b81c8

Aliases

arxiv: 2007.14598 · arxiv_version: 2007.14598v1 · doi: 10.48550/arxiv.2007.14598 · pith_short_12: UTQJIOLFSL3M · pith_short_16: UTQJIOLFSL3MELYR · pith_short_8: UTQJIOLF

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/UTQJIOLFSL3MELYRWFSEAJGAWI \
  | 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: a4e094396592f6c22f11b1644024c0b21df751f0e4c5dad1c7c52b50bd2b81c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fe06965e3de5cd70eeaab400d96ec05bcdf33a8f0d933d63a30178a6bb48373",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2020-07-29T04:53:38Z",
    "title_canon_sha256": "74c279274e1c6acff63f6d7ad447bf6ff2b366099e5760b46d775d0c481c2e10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14598",
    "kind": "arxiv",
    "version": 1
  }
}