Pith Number

pith:IL5LBS2B

pith:2018:IL5LBS2B6D4OXVLGTNYURT7NPV

not attested not anchored not stored refs pending

Enabling Strong Database Integrity using Trusted Execution Environments

Emin G\"un Sirer, Kai Mast, Lequn Chen

arxiv:1801.01618 v2 · 2018-01-05 · cs.DB · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IL5LBS2B6D4OXVLGTNYURT7NPV}

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	2026-05-18T00:22:10.421241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fab0cb41f0f8ebd5669b7148cfed7d478bed3dd4bb43f81c34539e6f783019

Aliases

arxiv: 1801.01618 · arxiv_version: 1801.01618v2 · doi: 10.48550/arxiv.1801.01618 · pith_short_12: IL5LBS2B6D4O · pith_short_16: IL5LBS2B6D4OXVLG · pith_short_8: IL5LBS2B

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/IL5LBS2B6D4OXVLGTNYURT7NPV \
  | 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: 42fab0cb41f0f8ebd5669b7148cfed7d478bed3dd4bb43f81c34539e6f783019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f40380c1de356ed0f48fc937237469008d81af7434aab857935ebff10e63c972",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-01-05T03:04:50Z",
    "title_canon_sha256": "4781a7955f22e82104305db290ca843fbfc4a0a49d6ca31de4c829cb94799dc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01618",
    "kind": "arxiv",
    "version": 2
  }
}