Pith Number

pith:HFKN2K2P

pith:2007:HFKN2K2P5AG5Z5UZ7XVVOLABRG

not attested not anchored not stored refs pending

A Critique of ANSI SQL Isolation Levels

Elizabeth O'Neil, Hal Berenson, Jim Gray, Jim Melton, Patrick O'Neil, Phil Bernstein

arxiv:cs/0701157 v1 · 2007-01-25 · 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{HFKN2K2P5AG5Z5UZ7XVVOLABRG}

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

Versioned Late Materialization for Ultra-Long Sequence Training in Recommendation Systems at Scale

Receipt and verification

First computed	2026-07-04T14:59:04.665561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3954dd2b4fe80ddcf699fdeb572c0189bb7b732bf272f1220d8a2275838e4634

Aliases

arxiv: cs/0701157 · arxiv_version: cs/0701157v1 · doi: 10.48550/arxiv.cs/0701157 · pith_short_12: HFKN2K2P5AG5 · pith_short_16: HFKN2K2P5AG5Z5UZ · pith_short_8: HFKN2K2P

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/HFKN2K2P5AG5Z5UZ7XVVOLABRG \
  | 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: 3954dd2b4fe80ddcf699fdeb572c0189bb7b732bf272f1220d8a2275838e4634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec7b32de13c33f90f3f0a9a8886e72b02da6c3d110344513756d2fdaf95c5412",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DB",
    "submitted_at": "2007-01-25T22:53:48Z",
    "title_canon_sha256": "6bf978def1af99f8219f01dedf10520f867e4d45d7b163f9cf4455a4f24ded91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0701157",
    "kind": "arxiv",
    "version": 1
  }
}