Pith Number

pith:5KJL3SSH

pith:2017:5KJL3SSHMGIZK6DBFJNBG52K7D

not attested not anchored not stored refs pending

A new adaptive method for hiding data in images

Kazem Qazanfari, Reza Safabaksh

arxiv:1709.06729 v1 · 2017-09-20 · cs.MM · 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{5KJL3SSHMGIZK6DBFJNBG52K7D}

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	2026-05-18T00:34:40.664990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea92bdca4761919578612a5a13774af8f22070b75572fbe1ca738344f84c0bfa

Aliases

arxiv: 1709.06729 · arxiv_version: 1709.06729v1 · doi: 10.48550/arxiv.1709.06729 · pith_short_12: 5KJL3SSHMGIZ · pith_short_16: 5KJL3SSHMGIZK6DB · pith_short_8: 5KJL3SSH

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/5KJL3SSHMGIZK6DBFJNBG52K7D \
  | 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: ea92bdca4761919578612a5a13774af8f22070b75572fbe1ca738344f84c0bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c53b0b49cdd1f51e4fbe70def650067195b5eae04375b9883d74de9b4d2439e",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2017-09-20T05:14:54Z",
    "title_canon_sha256": "82634be3d49c79bf424fcff97f72e4da21da49089c1016cba97aae3360c8586a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06729",
    "kind": "arxiv",
    "version": 1
  }
}