Pith Number

pith:TNKWYD2T

pith:2020:TNKWYD2T6KZZBO2OBTNOQTDSCD

not attested not anchored not stored refs pending

ShieldDB: An Encrypted Document Database with Padding Countermeasures

Cong Wang, Joseph K. Liu, Shi-Feng Sun, Surya Nepal, Viet Vo, Xingliang Yuan

arxiv:2003.06103 v2 · 2020-03-13 · 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{TNKWYD2T6KZZBO2OBTNOQTDSCD}

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	2026-07-05T03:29:27.266125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b556c0f53f2b390bb4e0cdae84c7210c6e4b1458d27f1ef8e45d0c43df5d663

Aliases

arxiv: 2003.06103 · arxiv_version: 2003.06103v2 · doi: 10.48550/arxiv.2003.06103 · pith_short_12: TNKWYD2T6KZZ · pith_short_16: TNKWYD2T6KZZBO2O · pith_short_8: TNKWYD2T

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/TNKWYD2T6KZZBO2OBTNOQTDSCD \
  | 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: 9b556c0f53f2b390bb4e0cdae84c7210c6e4b1458d27f1ef8e45d0c43df5d663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0387638b521b6e3873e6ac4fbf8600d12e045311f378c126c25c92129d0df791",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-03-13T04:21:54Z",
    "title_canon_sha256": "78fd85e849b2daf7ee77864c19647a2f38944a18885da2693d289deb095b8c9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06103",
    "kind": "arxiv",
    "version": 2
  }
}