Pith Number

pith:PYWPGGIN

pith:2017:PYWPGGINZW2O2DWZEY5GBTISBJ

not attested not anchored not stored refs pending

Polystore Mathematics of Relational Algebra

Dylan Hutchison, Hayden Jananthan, Jeremy Kepner, Suna Kim, Vijay Gadepally, Ziqi Zhou

arxiv:1712.00802 v1 · 2017-12-03 · 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{PYWPGGINZW2O2DWZEY5GBTISBJ}

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	2026-05-17T23:58:19.518631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e2cf3190dcdb4ed0ed9263a60cd120a48e5ea2f744fe9ef513de2d9989e5a18

Aliases

arxiv: 1712.00802 · arxiv_version: 1712.00802v1 · doi: 10.48550/arxiv.1712.00802 · pith_short_12: PYWPGGINZW2O · pith_short_16: PYWPGGINZW2O2DWZ · pith_short_8: PYWPGGIN

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/PYWPGGINZW2O2DWZEY5GBTISBJ \
  | 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: 7e2cf3190dcdb4ed0ed9263a60cd120a48e5ea2f744fe9ef513de2d9989e5a18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d76fcd4c7a87c1373d8548c048bf4e9c3198f387ae964827fc5e0355574291db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-12-03T17:25:03Z",
    "title_canon_sha256": "12e5dddda1120178ce556302ca6241402672dc97a28ae203e9e78f771a303392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00802",
    "kind": "arxiv",
    "version": 1
  }
}