Pith Number

pith:TBPEQMVU

pith:2021:TBPEQMVUC56IQ5IIULVXH3ESMS

not attested not anchored not stored refs pending

An Experimental Evaluation and Investigation of Waves of Misery in R-trees

Ahmed Mahmood, Ahmed M. Aly, Bo-Cheng Chu, Eric Lee, Jianguo Wang, Lu Xing, Tong An, Walid G. Aref

arxiv:2112.13174 v1 · 2021-12-25 · 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{TBPEQMVUC56IQ5IIULVXH3ESMS}

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	2026-07-05T03:43:50.643227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

985e4832b4177c887508a2eb73ec926496bb670752a728a45b7b77df5f5e3bfb

Aliases

arxiv: 2112.13174 · arxiv_version: 2112.13174v1 · doi: 10.48550/arxiv.2112.13174 · pith_short_12: TBPEQMVUC56I · pith_short_16: TBPEQMVUC56IQ5II · pith_short_8: TBPEQMVU

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/TBPEQMVUC56IQ5IIULVXH3ESMS \
  | 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: 985e4832b4177c887508a2eb73ec926496bb670752a728a45b7b77df5f5e3bfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d17e0cb23a1b99af073b70eaf94761bb42cb474711c4acf460942c6a8bc9bc8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-12-25T02:33:26Z",
    "title_canon_sha256": "46822ddb504973e46bc8f3aad274806a5aee54be8dc74013fb965cf957e1fda5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.13174",
    "kind": "arxiv",
    "version": 1
  }
}