Pith Number

pith:3JEVIF4Z

pith:2021:3JEVIF4ZY4DZQWXAL5EETZTZ72

not attested not anchored not stored refs pending

Columnar Formats for Schemaless LSM-based Document Stores

Michael J. Carey, Wail Y. Alkowaileet

arxiv:2111.11517 v1 · 2021-11-22 · 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{3JEVIF4ZY4DZQWXAL5EETZTZ72}

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

Introducing Schema Inference as a Scalable SQL Function [Extended Version]

Receipt and verification

First computed	2026-07-05T03:34:09.848984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da49541799c707985ae05f4849e679fe80dac2fc6ec40fdd55f206c31eba7668

Aliases

arxiv: 2111.11517 · arxiv_version: 2111.11517v1 · doi: 10.48550/arxiv.2111.11517 · pith_short_12: 3JEVIF4ZY4DZ · pith_short_16: 3JEVIF4ZY4DZQWXA · pith_short_8: 3JEVIF4Z

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/3JEVIF4ZY4DZQWXAL5EETZTZ72 \
  | 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: da49541799c707985ae05f4849e679fe80dac2fc6ec40fdd55f206c31eba7668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085bf1d0c872ea67d4a038da4f0b80c222f9acbb17fb20df520515170f0c66af",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-11-22T20:28:59Z",
    "title_canon_sha256": "71b18331ee553303871e47ff22467e2f1ff5f5d40321a555dd47e92b2dd6f6bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11517",
    "kind": "arxiv",
    "version": 1
  }
}