Pith Number

pith:SA4QONOS

pith:2019:SA4QONOSSRINA6PYYRB6ZSWJC2

not attested not anchored not stored refs pending

A Tale of Two Trees: One Writes, and Other Reads. Optimized Oblivious Accesses to Large-Scale Blockchains

Adil Ahmad, Aniket Kate, Byoungyoung Lee, Duc V. Le, Lizzy Tengana Hurtado, Mohsen Minaei

arxiv:1909.01531 v2 · 2019-09-04 · 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{SA4QONOSSRINA6PYYRB6ZSWJC2}

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	2026-07-05T00:04:56.931268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90390735d29450d079f8c443eccac9168c2dbddb82ddf6ce5106ef1be1c47340

Aliases

arxiv: 1909.01531 · arxiv_version: 1909.01531v2 · doi: 10.48550/arxiv.1909.01531 · pith_short_12: SA4QONOSSRIN · pith_short_16: SA4QONOSSRINA6PY · pith_short_8: SA4QONOS

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/SA4QONOSSRINA6PYYRB6ZSWJC2 \
  | 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: 90390735d29450d079f8c443eccac9168c2dbddb82ddf6ce5106ef1be1c47340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fb1ed098ae9dbfc4f48aa0347aebe3c635a70fb046046cfa1d662237e1afb2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-09-04T03:00:22Z",
    "title_canon_sha256": "de17b24715f6fc2ca71480dbbb32eec50ac34878a436c227607e7a4825736789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01531",
    "kind": "arxiv",
    "version": 2
  }
}