Pith Number

pith:KPQQZTZQ

pith:2017:KPQQZTZQSTCU5LFRQLHZS4J3BV

not attested not anchored not stored refs pending

An Improvement on LSB Matching and LSB Matching Revisited Steganography Methods

Kazem Qazanfari, Reza Safabakhsh

arxiv:1709.06727 v1 · 2017-09-20 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPQQZTZQSTCU5LFRQLHZS4J3BV}

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	2026-05-18T00:34:40.675227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e10ccf3094c54eacb182cf99713b0d63d7daaee1d4a852a5b7feebfa78784e

Aliases

arxiv: 1709.06727 · arxiv_version: 1709.06727v1 · doi: 10.48550/arxiv.1709.06727 · pith_short_12: KPQQZTZQSTCU · pith_short_16: KPQQZTZQSTCU5LFR · pith_short_8: KPQQZTZQ

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/KPQQZTZQSTCU5LFRQLHZS4J3BV \
  | 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: 53e10ccf3094c54eacb182cf99713b0d63d7daaee1d4a852a5b7feebfa78784e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a0f20640e517d46056ca11afd0960c42da281d3df25e2839b574cd25c851bfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-09-20T04:58:03Z",
    "title_canon_sha256": "52d8d8b14a5230d2cc7bff0d611a5f633b2d87c80ead350829e7822080d052cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06727",
    "kind": "arxiv",
    "version": 1
  }
}