Pith Number

pith:3TOQTYTJ

pith:2025:3TOQTYTJE6SM4XFQQH3NDVGQN3

not attested not anchored not stored refs pending

Steganography Beyond Space-Time with Chain of Multimodal AI

Ching-Chun Chang, Isao Echizen

arxiv:2502.18547 v2 · 2025-02-25 · cs.CR · cs.AI · cs.MA · 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{3TOQTYTJE6SM4XFQQH3NDVGQN3}

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	2026-07-05T10:51:33.841436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcdd09e26927a4ce5cb081f6d1d4d06edcee7ad005ed7b3a0c73691c4948ac0f

Aliases

arxiv: 2502.18547 · arxiv_version: 2502.18547v2 · doi: 10.48550/arxiv.2502.18547 · pith_short_12: 3TOQTYTJE6SM · pith_short_16: 3TOQTYTJE6SM4XFQ · pith_short_8: 3TOQTYTJ

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/3TOQTYTJE6SM4XFQQH3NDVGQN3 \
  | 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: dcdd09e26927a4ce5cb081f6d1d4d06edcee7ad005ed7b3a0c73691c4948ac0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c838b9adba48187b66a87c6638d0349c6e0a9fa6f9d627337e83a3d9074e8dec",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MA",
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-02-25T15:56:09Z",
    "title_canon_sha256": "8d87600add64fb4ce4a06ca997858bb8a814cb5a0d53ed0dc45a67def6362549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.18547",
    "kind": "arxiv",
    "version": 2
  }
}