Pith Number

pith:5VKYH4RB

pith:2017:5VKYH4RBD2RJNRSM5ESTQIX7XJ

not attested not anchored not stored refs pending

An Efficient Keyless Fragmentation Algorithm for Data Protection

Gerard Memmi, Hassan Noura, Katarzyna Kapusta

arxiv:1705.09872 v1 · 2017-05-27 · 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{5VKYH4RBD2RJNRSM5ESTQIX7XJ}

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	2026-05-18T00:43:34.318751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed5583f2211ea296c64ce9253822ffba7cdfb1d98fd18961c3551e8f456f2cae

Aliases

arxiv: 1705.09872 · arxiv_version: 1705.09872v1 · doi: 10.48550/arxiv.1705.09872 · pith_short_12: 5VKYH4RBD2RJ · pith_short_16: 5VKYH4RBD2RJNRSM · pith_short_8: 5VKYH4RB

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/5VKYH4RBD2RJNRSM5ESTQIX7XJ \
  | 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: ed5583f2211ea296c64ce9253822ffba7cdfb1d98fd18961c3551e8f456f2cae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0899751d46295d157d59f80d356d2346b32c4027b46e7f5457c8271a24a1877c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-05-27T22:35:24Z",
    "title_canon_sha256": "d6bb172cc0246a9c1d1112413676dee0309d83d2d6bcb08f9b3c42957daa9cab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09872",
    "kind": "arxiv",
    "version": 1
  }
}