Pith Number

pith:VKJ6NMXE

pith:2018:VKJ6NMXEC6DIVLQ4OJPIUDW462

not attested not anchored not stored refs pending

QR code denoising using parallel Hopfield networks

Ishan Bhatnagar, Shubhang Bhatnagar

arxiv:1812.01065 v2 · 2018-12-03 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKJ6NMXEC6DIVLQ4OJPIUDW462}

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	2026-05-17T23:58:24.610308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa93e6b2e417868aae1c725e8a0edcf698f5a19a9430a7ea01b9055ebab2f30b

Aliases

arxiv: 1812.01065 · arxiv_version: 1812.01065v2 · doi: 10.48550/arxiv.1812.01065 · pith_short_12: VKJ6NMXEC6DI · pith_short_16: VKJ6NMXEC6DIVLQ4 · pith_short_8: VKJ6NMXE

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/VKJ6NMXEC6DIVLQ4OJPIUDW462 \
  | 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: aa93e6b2e417868aae1c725e8a0edcf698f5a19a9430a7ea01b9055ebab2f30b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9099973d1a22b3a9c446b51298472372dd14ceefb6a69f187ce33ad0996e1545",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-03T20:24:51Z",
    "title_canon_sha256": "805ea66f33c411d005994c06e9434ae055891ce3c4ec2c543000dd876ccb8dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01065",
    "kind": "arxiv",
    "version": 2
  }
}