Pith Number

pith:T3RVG6AN

pith:2015:T3RVG6ANOM27SBDWQBHUN6ES7Z

not attested not anchored not stored refs pending

Efficient Upsampling of Natural Images

Chinmay Hegde, Fatih Porikli, Oncel Tuzel

arxiv:1503.00040 v1 · 2015-02-28 · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3RVG6ANOM27SBDWQBHUN6ES7Z}

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	2026-05-18T02:25:55.292342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ee353780d7335f90476804f46f892fe78a7b5b4f349158e46862eaa5a2c3c12

Aliases

arxiv: 1503.00040 · arxiv_version: 1503.00040v1 · doi: 10.48550/arxiv.1503.00040 · pith_short_12: T3RVG6ANOM27 · pith_short_16: T3RVG6ANOM27SBDW · pith_short_8: T3RVG6AN

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/T3RVG6ANOM27SBDWQBHUN6ES7Z \
  | 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: 9ee353780d7335f90476804f46f892fe78a7b5b4f349158e46862eaa5a2c3c12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2f0fd6d5c404e8ae214919004a97fc98864568f6d3c56e8b2800a4eba89fb92",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-02-28T00:18:39Z",
    "title_canon_sha256": "e93b13fe611b376518c45b855bfb655d5769df291bc9f5db15f2ddcb14aba926"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00040",
    "kind": "arxiv",
    "version": 1
  }
}