Pith Number

pith:FCCRW7U4

pith:2018:FCCRW7U4ZX2FVEXAGBJT7KGIIM

not attested not anchored not stored refs pending

Unsupervised Sparse Dirichlet-Net for Hyperspectral Image Super-Resolution

Chiman Kwan, Hairong Qi, Ying Qu

arxiv:1804.05042 v3 · 2018-04-13 · 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{FCCRW7U4ZX2FVEXAGBJT7KGIIM}

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	2026-05-18T00:10:46.530355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28851b7e9ccdf45a92e030533fa8c8432e1783763b86753b71907925c0348a8e

Aliases

arxiv: 1804.05042 · arxiv_version: 1804.05042v3 · doi: 10.48550/arxiv.1804.05042 · pith_short_12: FCCRW7U4ZX2F · pith_short_16: FCCRW7U4ZX2FVEXA · pith_short_8: FCCRW7U4

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/FCCRW7U4ZX2FVEXAGBJT7KGIIM \
  | 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: 28851b7e9ccdf45a92e030533fa8c8432e1783763b86753b71907925c0348a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3275b127786cb5c3669482dc8067e0ae74120783d0590670a976b10413ec94b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-04-13T17:17:05Z",
    "title_canon_sha256": "03ea281dd41a8cc9ebcecda306bfa03c6f5b38f1cc6a8257f2025167e0caab5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05042",
    "kind": "arxiv",
    "version": 3
  }
}