pith. sign in
Pith Number

pith:CI25RXEK

pith:2016:CI25RXEKAXTNGIYPQ63K7QNREH
not attested not anchored not stored refs pending

A Second Order Derivatives based Approach for Steganography

Christophe Guyeux, Jean-Fran\c{c}ois Couchot, Rapha\"el Couturier, Yousra Ahmed Fadil

arxiv:1611.08397 v1 · 2016-11-25 · cs.MM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CI25RXEKAXTNGIYPQ63K7QNREH}

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 2026-05-18T00:56:39.167518Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1235d8dc8a05e6d3230f87b6afc1b121de9b2ab2ced0ecc0e7b7b74db9186a5e

Aliases

arxiv: 1611.08397 · arxiv_version: 1611.08397v1 · doi: 10.48550/arxiv.1611.08397 · pith_short_12: CI25RXEKAXTN · pith_short_16: CI25RXEKAXTNGIYP · pith_short_8: CI25RXEK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CI25RXEKAXTNGIYPQ63K7QNREH \
  | 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: 1235d8dc8a05e6d3230f87b6afc1b121de9b2ab2ced0ecc0e7b7b74db9186a5e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d4c1adb6c6580f7ebcd666f7b792d1ec817f7f435ef46dde5409da32d12fbbeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2016-11-25T09:38:10Z",
    "title_canon_sha256": "b8c10c3883d9d8c4b6acc773d1493cca3fbbb4f94e4530c1f0e09d56e462509e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08397",
    "kind": "arxiv",
    "version": 1
  }
}