Pith Number

pith:QMDBLAMA

pith:2015:QMDBLAMAXOOB27UNSOFZLOBOHN

not attested not anchored not stored refs pending

Practical Solutions For Format-Preserving Encryption

Boris Rozenberg, Mor Weiss, Muhammad Barham

arxiv:1506.04113 v1 · 2015-06-12 · 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{QMDBLAMAXOOB27UNSOFZLOBOHN}

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	2026-05-18T01:51:18.297369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8306158180bb9c1d7e8d938b95b82e3b515f417d613a7373becbe06534412240

Aliases

arxiv: 1506.04113 · arxiv_version: 1506.04113v1 · doi: 10.48550/arxiv.1506.04113 · pith_short_12: QMDBLAMAXOOB · pith_short_16: QMDBLAMAXOOB27UN · pith_short_8: QMDBLAMA

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/QMDBLAMAXOOB27UNSOFZLOBOHN \
  | 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: 8306158180bb9c1d7e8d938b95b82e3b515f417d613a7373becbe06534412240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fd11d543a245ee3858a2991604bc26c7d058fd6b7eb1ceb5005cf8afd5cff33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-06-12T18:53:38Z",
    "title_canon_sha256": "a4b5fdb1b9170e2e3d10d71559967b5bca4679207e3105850ae2df37cb8e1b99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04113",
    "kind": "arxiv",
    "version": 1
  }
}