Pith Number

pith:X3IPOYSR

pith:2017:X3IPOYSRKZS54ZEMKPYGVJV6JR

not attested not anchored not stored refs pending

Answering Conjunctive Queries under Updates

Christoph Berkholz, Jens Keppeler, Nicole Schweikardt

arxiv:1702.06370 v1 · 2017-02-21 · cs.DB · cs.DS · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3IPOYSRKZS54ZEMKPYGVJV6JR}

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	2026-05-18T00:50:14.327443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed0f762515665de648c53f06aa6be4c5e8122ee8de6bb9d6bd81412448b4740

Aliases

arxiv: 1702.06370 · arxiv_version: 1702.06370v1 · doi: 10.48550/arxiv.1702.06370 · pith_short_12: X3IPOYSRKZS5 · pith_short_16: X3IPOYSRKZS54ZEM · pith_short_8: X3IPOYSR

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/X3IPOYSRKZS54ZEMKPYGVJV6JR \
  | 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: bed0f762515665de648c53f06aa6be4c5e8122ee8de6bb9d6bd81412448b4740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f1325656027689e7df23df915958ccc590bc86556caa015efe637a751507b63",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-02-21T13:15:27Z",
    "title_canon_sha256": "23ffbcd880cb121f197cdf91c01e7f12d7b6b04cf3c9d9d4579bef571679c133"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06370",
    "kind": "arxiv",
    "version": 1
  }
}