Pith Number

pith:J5YZOTFG

pith:2016:J5YZOTFGETLI3IBDYMPIZN6GCQ

not attested not anchored not stored refs pending

OBDA Constraints for Effective Query Answering (Extended Version)

Dag Hovland, Davide Lanti, Guohui Xiao, Martin Rezk

arxiv:1605.04263 v2 · 2016-05-13 · cs.DB · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5YZOTFGETLI3IBDYMPIZN6GCQ}

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	2026-05-18T01:14:52.060464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f71974ca624d68da023c31e8cb7c614343265c9119a10548218e5554bc91db2

Aliases

arxiv: 1605.04263 · arxiv_version: 1605.04263v2 · doi: 10.48550/arxiv.1605.04263 · pith_short_12: J5YZOTFGETLI · pith_short_16: J5YZOTFGETLI3IBD · pith_short_8: J5YZOTFG

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/J5YZOTFGETLI3IBDYMPIZN6GCQ \
  | 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: 4f71974ca624d68da023c31e8cb7c614343265c9119a10548218e5554bc91db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99d2a27e5386cab074531c5275dbdbc08509a3ffe8ebb6ce4196f767a7d08574",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-05-13T17:29:28Z",
    "title_canon_sha256": "9f278851b589511b8bf5d418dc90bff8a4407091b67334eee2d93f26c43bc5e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04263",
    "kind": "arxiv",
    "version": 2
  }
}