Pith Number

pith:ZGQY4PQD

pith:2018:ZGQY4PQDVDB32PEHCJGQIWW7TZ

not attested not anchored not stored refs pending

Signal Classification under structure sparsity constraints

Tiep Huu Vu

arxiv:1812.10859 v1 · 2018-12-28 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGQY4PQDVDB32PEHCJGQIWW7TZ}

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	2026-05-17T23:57:16.882200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9a18e3e03a8c3bd3c87124d045adf9e67fbe785a62949d486033027e82ae50f

Aliases

arxiv: 1812.10859 · arxiv_version: 1812.10859v1 · doi: 10.48550/arxiv.1812.10859 · pith_short_12: ZGQY4PQDVDB3 · pith_short_16: ZGQY4PQDVDB32PEH · pith_short_8: ZGQY4PQD

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/ZGQY4PQDVDB32PEHCJGQIWW7TZ \
  | 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: c9a18e3e03a8c3bd3c87124d045adf9e67fbe785a62949d486033027e82ae50f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade50fcb649c664f45d3c7b70571ed04d07fcd498f0895f634b05c8b5d40d45f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-28T01:20:43Z",
    "title_canon_sha256": "c1f2a9e414c48dacd719de736ee776e5ab63d57372c5489d7f295c795e81ea47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10859",
    "kind": "arxiv",
    "version": 1
  }
}