Pith Number

pith:NODN3U32

pith:2025:NODN3U32N66R5OBOLQIFQTTUOG

not attested not anchored not stored refs pending

Private key and password protection by steganographic image encryption

Debesh Choudhury, Sujoy Chakraborty

arxiv:2507.21068 v1 · 2025-06-05 · 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{NODN3U32N66R5OBOLQIFQTTUOG}

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	2026-07-05T11:44:30.575453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b86ddd37a6fbd1eb82e5c10584e7471b2ed24c043e34f0322928e313dd99bce

Aliases

arxiv: 2507.21068 · arxiv_version: 2507.21068v1 · doi: 10.48550/arxiv.2507.21068 · pith_short_12: NODN3U32N66R · pith_short_16: NODN3U32N66R5OBO · pith_short_8: NODN3U32

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/NODN3U32N66R5OBOLQIFQTTUOG \
  | 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: 6b86ddd37a6fbd1eb82e5c10584e7471b2ed24c043e34f0322928e313dd99bce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dc29f3b308591b3992241ee60899cb624c64f0af993a31b2386cef6cd0e8ea2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-05T16:38:04Z",
    "title_canon_sha256": "4f89fd1126cae8c6df6b56f2e026bc0c22d1f9ebca45ba92874e3fc26d73edcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21068",
    "kind": "arxiv",
    "version": 1
  }
}