Pith Number

pith:GHIUR3MB

pith:2021:GHIUR3MBQ7RWVM3HAMQA4LF6RU

not attested not anchored not stored refs pending

Application of Reversible Data Hiding for Printing with Special Color Inks to Preserve Compatibility with Normal Printing

Kensuke Fukumoto, Kotoko Hiraoka, Norimichi Tsumura, Satoshi Kaneko, Shoko Imaizumi, Takashi Yamazoe, Wataru Arai

arxiv:2103.02777 v1 · 2021-03-04 · 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{GHIUR3MBQ7RWVM3HAMQA4LF6RU}

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	2026-07-05T02:20:21.124105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31d148ed8187e36ab36703200e2cbe8d04147fde3d3691c5a643a7438a5ff1fc

Aliases

arxiv: 2103.02777 · arxiv_version: 2103.02777v1 · doi: 10.48550/arxiv.2103.02777 · pith_short_12: GHIUR3MBQ7RW · pith_short_16: GHIUR3MBQ7RWVM3H · pith_short_8: GHIUR3MB

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/GHIUR3MBQ7RWVM3HAMQA4LF6RU \
  | 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: 31d148ed8187e36ab36703200e2cbe8d04147fde3d3691c5a643a7438a5ff1fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3bf4be014e0d209056d17d62cda1ca40517de0691c5ea33072ea534757a624b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2021-03-04T00:58:53Z",
    "title_canon_sha256": "1af807c5abb86eb3f69fa2d392077628c2db58876bbcb67bf175232cb45b7390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02777",
    "kind": "arxiv",
    "version": 1
  }
}