Pith Number

pith:L5GTRSNW

pith:2020:L5GTRSNWVPM3Q4HX2WBPBSYSWR

not attested not anchored not stored refs pending

Efficient sorting, duplicate removal, grouping, and aggregation

Goetz Graefe, Jeffrey Naughton, Thanh Do

arxiv:2010.00152 v3 · 2020-10-01 · 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{L5GTRSNWVPM3Q4HX2WBPBSYSWR}

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	2026-07-05T05:00:35.687023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f4d38c9b6abd9b870f7d582f0cb12b463e98fce1264c8f371d7bf25c9988db4

Aliases

arxiv: 2010.00152 · arxiv_version: 2010.00152v3 · doi: 10.48550/arxiv.2010.00152 · pith_short_12: L5GTRSNWVPM3 · pith_short_16: L5GTRSNWVPM3Q4HX · pith_short_8: L5GTRSNW

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/L5GTRSNWVPM3Q4HX2WBPBSYSWR \
  | 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: 5f4d38c9b6abd9b870f7d582f0cb12b463e98fce1264c8f371d7bf25c9988db4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b9a640376dd483e233b0220df6c6e773948f90112a118945b01215b74ae309d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-10-01T00:11:37Z",
    "title_canon_sha256": "95cadc3283753045d6496e581729440a127b60cc691a45418c111ffbf8ed51bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00152",
    "kind": "arxiv",
    "version": 3
  }
}