Pith Number

pith:7NR6CDQZ

pith:2026:7NR6CDQZMT7ST247SLY3WXL4W7

not attested not anchored not stored refs pending

Verifying Isolation Levels of Database Implementations for Free Using Separation Logic

Amin Timany, Anders Alnor Mathiasen, Lars Birkedal

arxiv:2607.15877 v1 · 2026-07-17 · 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{7NR6CDQZMT7ST247SLY3WXL4W7}

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	2026-07-20T01:19:14.995558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb63e10e1964ff29eb9f92f1bb5d7cb7dc22e7490ab8f13b677d136ee0363c0d

Aliases

arxiv: 2607.15877 · arxiv_version: 2607.15877v1 · doi: 10.48550/arxiv.2607.15877 · pith_short_12: 7NR6CDQZMT7S · pith_short_16: 7NR6CDQZMT7ST247 · pith_short_8: 7NR6CDQZ

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/7NR6CDQZMT7ST247SLY3WXL4W7 \
  | 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: fb63e10e1964ff29eb9f92f1bb5d7cb7dc22e7490ab8f13b677d136ee0363c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2d7e57cedae2e0cc277e1024e13f2004afd609027788c1718dad9aa604d0acf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-07-17T11:44:35Z",
    "title_canon_sha256": "f003865ba45bed250cbac49a5bb5fac084daca2cee42f9b37e442f455776222c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15877",
    "kind": "arxiv",
    "version": 1
  }
}