Pith Number

pith:UT5HGIGH

pith:2018:UT5HGIGHPJOENGR4RAUHUK4GOT

not attested not anchored not stored refs pending

An algorithm for hiding and recovering data using matrices

Di\'ogenes Galetti, Salomon S. Mizrahi

arxiv:1803.05003 v1 · 2018-03-12 · 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{UT5HGIGHPJOENGR4RAUHUK4GOT}

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	2026-05-18T00:21:02.329321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4fa7320c77a5c469a3c88287a2b8674f5678a476bb82569dae83cbd90bf8349

Aliases

arxiv: 1803.05003 · arxiv_version: 1803.05003v1 · doi: 10.48550/arxiv.1803.05003 · pith_short_12: UT5HGIGHPJOE · pith_short_16: UT5HGIGHPJOENGR4 · pith_short_8: UT5HGIGH

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/UT5HGIGHPJOENGR4RAUHUK4GOT \
  | 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: a4fa7320c77a5c469a3c88287a2b8674f5678a476bb82569dae83cbd90bf8349

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a224aea7281f05bac327d9cfee242fb8f407b76aafa7206e23156a52b3ca687",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-03-12T16:08:31Z",
    "title_canon_sha256": "4949e2aba1284cd0e198f57c2388addb075934b01a73db16ae6fb2b12f31531a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05003",
    "kind": "arxiv",
    "version": 1
  }
}