Pith Number

pith:N2LYFDIA

pith:2017:N2LYFDIAU7P6DPPPRPDQNPXS7V

not attested not anchored not stored refs pending

Assessing Achievability of Queries and Constraints

Jon Doyle, Juan L. Reutter, Rada Chirkova

arxiv:1712.03438 v1 · 2017-12-09 · 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{N2LYFDIAU7P6DPPPRPDQNPXS7V}

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	2026-05-18T00:28:21.235327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e97828d00a7dfe1bdef8bc706bef2fd57532df4ac888e9c145e4da8d2218dd4

Aliases

arxiv: 1712.03438 · arxiv_version: 1712.03438v1 · doi: 10.48550/arxiv.1712.03438 · pith_short_12: N2LYFDIAU7P6 · pith_short_16: N2LYFDIAU7P6DPPP · pith_short_8: N2LYFDIA

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/N2LYFDIAU7P6DPPPRPDQNPXS7V \
  | 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: 6e97828d00a7dfe1bdef8bc706bef2fd57532df4ac888e9c145e4da8d2218dd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "209c3926f9019d77592449ded97a4f4adce0ea7a4ff06e2030de9cbfc75adb6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-12-09T20:57:51Z",
    "title_canon_sha256": "a15ebd0fefdc00c02c2600e693d9d016854e09895f7ad7f5a010a9c6d77842c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03438",
    "kind": "arxiv",
    "version": 1
  }
}