Pith Number

pith:OSGU47KD

pith:2017:OSGU47KDMDYP52SKDB3V7EUBY5

not attested not anchored not stored refs pending

Answering FO+MOD queries under updates on bounded degree databases

Christoph Berkholz, Jens Keppeler, Nicole Schweikardt

arxiv:1702.08764 v1 · 2017-02-28 · cs.DB · 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{OSGU47KDMDYP52SKDB3V7EUBY5}

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	2026-05-18T00:49:47.951187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

748d4e7d4360f0feea4a18775f9281c76fc8ca73012efc7a0b7260e8a23cfadc

Aliases

arxiv: 1702.08764 · arxiv_version: 1702.08764v1 · doi: 10.48550/arxiv.1702.08764 · pith_short_12: OSGU47KDMDYP · pith_short_16: OSGU47KDMDYP52SK · pith_short_8: OSGU47KD

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/OSGU47KDMDYP52SKDB3V7EUBY5 \
  | 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: 748d4e7d4360f0feea4a18775f9281c76fc8ca73012efc7a0b7260e8a23cfadc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b808aa1d6645c351fb9ae597c74d97ba214325d73fda9f0e67aec380f339382",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-02-28T12:46:03Z",
    "title_canon_sha256": "4516e50bcbdcc6180291f53d16a3ae3e64411ddcde4a059870912db019957a0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08764",
    "kind": "arxiv",
    "version": 1
  }
}