Pith Number

pith:U2EHFKXH

pith:2012:U2EHFKXH7OXFE7Z5UIJ6DZDEQS

not attested not anchored not stored refs pending

The Filter-Placement Problem and its Application to Minimizing Information Multiplicity

Andrei Lapets, Azer Bestavros, D\'ora Erd\"os, Evimaria Terzi, Vatche Ishakian

arxiv:1201.6565 v1 · 2012-01-31 · 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{U2EHFKXH7OXFE7Z5UIJ6DZDEQS}

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	2026-05-18T04:03:31.171789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68872aae7fbae527f3da213e1e4648488da9da53bb6b832064bc7578fcdfa27

Aliases

arxiv: 1201.6565 · arxiv_version: 1201.6565v1 · doi: 10.48550/arxiv.1201.6565 · pith_short_12: U2EHFKXH7OXF · pith_short_16: U2EHFKXH7OXFE7Z5 · pith_short_8: U2EHFKXH

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/U2EHFKXH7OXFE7Z5UIJ6DZDEQS \
  | 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: a68872aae7fbae527f3da213e1e4648488da9da53bb6b832064bc7578fcdfa27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0363f233e07616e7bd1350f4b5096267dbcaf4d8321bcd701a7dd44722dc20e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-01-31T15:09:10Z",
    "title_canon_sha256": "d42e55514fd0c226c4c6d6d40a491add2a251946ac45f2072420ab456c4d68a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6565",
    "kind": "arxiv",
    "version": 1
  }
}