Pith Number

pith:JNLACRIN

pith:2009:JNLACRIN2ZYYOUYU4RYQKTKSXV

not attested not anchored not stored refs pending

Why Did My Query Slow Down?

Aameek Singh, Nedyalko Borisov, Ramani Routray, Sandeep Uttamchandani, Shivnath Babu

arxiv:0907.3183 v2 · 2009-07-18 · 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{JNLACRIN2ZYYOUYU4RYQKTKSXV}

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	2026-05-18T04:10:34.709277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b5601450dd671875314e471054d52bd7ed144cf8756590b299e08c540006408

Aliases

arxiv: 0907.3183 · arxiv_version: 0907.3183v2 · doi: 10.48550/arxiv.0907.3183 · pith_short_12: JNLACRIN2ZYY · pith_short_16: JNLACRIN2ZYYOUYU · pith_short_8: JNLACRIN

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/JNLACRIN2ZYYOUYU4RYQKTKSXV \
  | 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: 4b5601450dd671875314e471054d52bd7ed144cf8756590b299e08c540006408

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0e42228a471b6ad25cacc6fff2fccd92a70ff8e305f83fda816a197457222d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2009-07-18T06:37:37Z",
    "title_canon_sha256": "f37ce1e918a9ec7cca6b7692767af3d766dea8eaaaaf98cb11fb9f2ba01b304a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3183",
    "kind": "arxiv",
    "version": 2
  }
}