Pith Number

pith:PPLPYFOW

pith:2014:PPLPYFOWSFCQ5TPKQTYKFOEBGZ

not attested not anchored not stored refs pending

A novel recovery mechanism enabling fine-granularity locking and fast, REDO-only recovery

Caetano Sauer, Theo H\"arder

arxiv:1409.3682 v1 · 2014-09-12 · 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{PPLPYFOWSFCQ5TPKQTYKFOEBGZ}

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	2026-05-18T02:42:59.984413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd6fc15d691450ecdea84f0a2b88136656cc57f15cfe28c8ae39aba5f0d57a2

Aliases

arxiv: 1409.3682 · arxiv_version: 1409.3682v1 · doi: 10.48550/arxiv.1409.3682 · pith_short_12: PPLPYFOWSFCQ · pith_short_16: PPLPYFOWSFCQ5TPK · pith_short_8: PPLPYFOW

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/PPLPYFOWSFCQ5TPKQTYKFOEBGZ \
  | 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: 7bd6fc15d691450ecdea84f0a2b88136656cc57f15cfe28c8ae39aba5f0d57a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b18dda736f305fe31cfaf8161c22bbf2c0883b7408ccfc160b57e03994f1658",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-09-12T08:57:24Z",
    "title_canon_sha256": "620e57b0a3ba33578c6561d5216ab5fdb48c28c4fdb5722e3a0d158a0afd86ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3682",
    "kind": "arxiv",
    "version": 1
  }
}