Pith Number

pith:4BYTPXZS

pith:2022:4BYTPXZS3NRYROV4GBE27ONXWV

not attested not anchored not stored refs pending

Reversible data hiding with dual pixel-value-ordering and1minimum prediction error expansion

Hussain Nyeem, Md. Abdul Wahed

arxiv:2202.08100 v1 · 2022-02-12 · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BYTPXZS3NRYROV4GBE27ONXWV}

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	2026-07-05T03:57:36.895399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e07137df32db6388babc3049afb9b7b5548bf1060c81919ed1d2f717744b6cd3

Aliases

arxiv: 2202.08100 · arxiv_version: 2202.08100v1 · doi: 10.48550/arxiv.2202.08100 · pith_short_12: 4BYTPXZS3NRY · pith_short_16: 4BYTPXZS3NRYROV4 · pith_short_8: 4BYTPXZS

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/4BYTPXZS3NRYROV4GBE27ONXWV \
  | 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: e07137df32db6388babc3049afb9b7b5548bf1060c81919ed1d2f717744b6cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ec45cdebe0a2c5efea429578b88bb5e9665ff47f898109c4d66019b207a7add",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-12T09:35:56Z",
    "title_canon_sha256": "6c9e5e52f711ed74645a1c782fb81c94bfc53be6d7b86c4132a9b1017a36f21e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.08100",
    "kind": "arxiv",
    "version": 1
  }
}