Pith Number

pith:4KHGE5TZ

pith:2016:4KHGE5TZU4JPDHAQUACEULRAPZ

not attested not anchored not stored refs pending

Information Theoretically Secure Databases

Gregory Valiant, Paul Valiant

arxiv:1605.02646 v1 · 2016-05-09 · 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{4KHGE5TZU4JPDHAQUACEULRAPZ}

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.

Cited by

1 paper in Pith

Optimal $k$-Secretary with Logarithmic Memory

Receipt and verification

First computed	2026-05-18T01:15:15.945138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28e627679a712f19c10a0044a2e207e703c51a85392151417d8136693d12029

Aliases

arxiv: 1605.02646 · arxiv_version: 1605.02646v1 · doi: 10.48550/arxiv.1605.02646 · pith_short_12: 4KHGE5TZU4JP · pith_short_16: 4KHGE5TZU4JPDHAQ · pith_short_8: 4KHGE5TZ

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/4KHGE5TZU4JPDHAQUACEULRAPZ \
  | 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: e28e627679a712f19c10a0044a2e207e703c51a85392151417d8136693d12029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c25af1ef0b1e617f9808fcbb1c66af6ad41cfcfa5f5c7a16dfad1db9894e59ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-05-09T16:18:48Z",
    "title_canon_sha256": "26c118d91c319bdfbe73f6c9910b186b7ecdc3c41556252552a0a193074e60d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02646",
    "kind": "arxiv",
    "version": 1
  }
}