Pith Number

pith:2OJSSSZ3

pith:2019:2OJSSSZ3DOAYNK6GINPN4UQZUZ

not attested not anchored not stored refs pending

Proximity-based equivalence classes in fuzzy relational database model

Aleksandar Janji\'c

arxiv:1908.09333 v1 · 2019-08-25 · cs.DB

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OJSSSZ3DOAYNK6GINPN4UQZUZ}

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	2026-07-04T23:59:39.229694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d393294b3b1b8186abc6435ede5219a66b49bf7c8bf21236dd1343412538e294

Aliases

arxiv: 1908.09333 · arxiv_version: 1908.09333v1 · doi: 10.48550/arxiv.1908.09333 · pith_short_12: 2OJSSSZ3DOAY · pith_short_16: 2OJSSSZ3DOAYNK6G · pith_short_8: 2OJSSSZ3

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/2OJSSSZ3DOAYNK6GINPN4UQZUZ \
  | 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: d393294b3b1b8186abc6435ede5219a66b49bf7c8bf21236dd1343412538e294

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "641f7911f70005b8171225da1716e7af09fdf63dbe54a35449175f4430e6011f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-08-25T14:11:46Z",
    "title_canon_sha256": "2b004f6ccfb1caba05918f8278ef9305b51c19bfee8a153129340065e6c2abed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09333",
    "kind": "arxiv",
    "version": 1
  }
}