Pith Number

pith:SCAGF4V5

pith:2021:SCAGF4V55RRGVK4DB7GI2LOW7F

not attested not anchored not stored refs pending

High-level Intellectual Property Obfuscation via Decoy Constants

Felipe Almeida, Jaan Raik, Levent Aksoy, Marie-Lise Flottes, Quang-Linh Nguyen, Samuel Pagliarini, Sophie Dupuis

arxiv:2105.06122 v1 · 2021-05-13 · 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{SCAGF4V55RRGVK4DB7GI2LOW7F}

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	2026-07-05T02:40:04.428428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

908062f2bdec626aab830fcc8d2dd6f957487b390c40711e9c09c14becc4d8d9

Aliases

arxiv: 2105.06122 · arxiv_version: 2105.06122v1 · doi: 10.48550/arxiv.2105.06122 · pith_short_12: SCAGF4V55RRG · pith_short_16: SCAGF4V55RRGVK4D · pith_short_8: SCAGF4V5

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/SCAGF4V55RRGVK4DB7GI2LOW7F \
  | 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: 908062f2bdec626aab830fcc8d2dd6f957487b390c40711e9c09c14becc4d8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5100e506da6684a3f3bf6e135cf67e34c77d408a97131b39360964f2c5ac28b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-05-13T07:52:00Z",
    "title_canon_sha256": "db607df5a45720024d8c7722a8317f451d25defe0acf8e34f5a0f55595397a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.06122",
    "kind": "arxiv",
    "version": 1
  }
}