Pith Number

pith:WDXZQRDL

pith:2018:WDXZQRDLT4SFXJVARUJIXOECEC

not attested not anchored not stored refs pending

TRLF: An Effective Semi-fragile Watermarking Method for Tamper Detection and Recovery based on LWT and FNN

Amir Hossein Taherinia, Behrouz Bolourian Haghighi, Reza Monsefi

arxiv:1802.07119 v1 · 2018-02-18 · cs.CR · 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{WDXZQRDLT4SFXJVARUJIXOECEC}

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	2026-05-18T00:22:53.499820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ef98446b9f245ba6a08d128bb882209b4823d74ba108501e0685272dad87a9

Aliases

arxiv: 1802.07119 · arxiv_version: 1802.07119v1 · doi: 10.48550/arxiv.1802.07119 · pith_short_12: WDXZQRDLT4SF · pith_short_16: WDXZQRDLT4SFXJVA · pith_short_8: WDXZQRDL

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/WDXZQRDLT4SFXJVARUJIXOECEC \
  | 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: b0ef98446b9f245ba6a08d128bb882209b4823d74ba108501e0685272dad87a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2770713c047887816e7437f681ab65735731dbd913030e9d623e13e1f521b621",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-02-18T18:36:35Z",
    "title_canon_sha256": "f4db75a2978c588578377888036feb0c965f4b20dec347b7bec5617eaeb1bf8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07119",
    "kind": "arxiv",
    "version": 1
  }
}