Pith Number

pith:PSDV33E3

pith:2021:PSDV33E3NBJALYTSR3322W33S5

not attested not anchored not stored refs pending

Audio classification of the content of food containers and drinking glasses

Alessio Xompero, Andrea Cavallaro, Santiago Donaher

arxiv:2103.15999 v2 · 2021-03-30 · cs.SD · 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{PSDV33E3NBJALYTSR3322W33S5}

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	2026-07-05T02:47:43.610566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c875dec9b685205e2728ef7ad5b7b9768f56b16d9009a5feefcdf0aefcf512d

Aliases

arxiv: 2103.15999 · arxiv_version: 2103.15999v2 · doi: 10.48550/arxiv.2103.15999 · pith_short_12: PSDV33E3NBJA · pith_short_16: PSDV33E3NBJALYTS · pith_short_8: PSDV33E3

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/PSDV33E3NBJALYTSR3322W33S5 \
  | 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: 7c875dec9b685205e2728ef7ad5b7b9768f56b16d9009a5feefcdf0aefcf512d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16b492b493453136226c44a3c6a71a0b8cf246ca949f70c82faa2282750521ad",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-03-30T00:18:34Z",
    "title_canon_sha256": "509a3ee9c09fe7ba6ac4fd0f91b15942296ca642b6661498ad974f26e41de734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15999",
    "kind": "arxiv",
    "version": 2
  }
}