Pith Number

pith:6I3KQVZJ

pith:2025:6I3KQVZJLRAOB7H6SNQE6KNZPP

not attested not anchored not stored refs pending

Semi-interval Comparison Constraints in Query Containment and Their Impact on Certain Answer Computation

Foto N. Afrati, Matthew Damigos

arxiv:2509.10138 v3 · 2025-09-12 · 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{6I3KQVZJLRAOB7H6SNQE6KNZPP}

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	2026-05-26T02:03:54.705340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f236a857295c40e0fcfe93604f29b97be6b112d61670438e2ba345a56aa1ae9a

Aliases

arxiv: 2509.10138 · arxiv_version: 2509.10138v3 · doi: 10.48550/arxiv.2509.10138 · pith_short_12: 6I3KQVZJLRAO · pith_short_16: 6I3KQVZJLRAOB7H6 · pith_short_8: 6I3KQVZJ

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/6I3KQVZJLRAOB7H6SNQE6KNZPP \
  | 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: f236a857295c40e0fcfe93604f29b97be6b112d61670438e2ba345a56aa1ae9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "101ac0ae79f236c2bd39aed25aa37cd3e4b99aeaf3646a968e9d47d25f031a0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-09-12T11:07:14Z",
    "title_canon_sha256": "53d8a9f71828fedf3a93dc9bc99512827a6edf1ed4cf0ed9553986c0d7ecd857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10138",
    "kind": "arxiv",
    "version": 3
  }
}