Pith Number

pith:CYJ7OEPW

pith:2017:CYJ7OEPW2QLW4QCRUSABXM6U5D

not attested not anchored not stored refs pending

B-slack trees: Highly Space Efficient B-trees

Trevor Brown

arxiv:1712.05020 v2 · 2017-12-13 · cs.DS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYJ7OEPW2QLW4QCRUSABXM6U5D}

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	2026-05-18T00:27:56.609559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1613f711f6d4176e4051a4801bb3d4e8de03cfe8329358499571c7ed0846ef51

Aliases

arxiv: 1712.05020 · arxiv_version: 1712.05020v2 · doi: 10.48550/arxiv.1712.05020 · pith_short_12: CYJ7OEPW2QLW · pith_short_16: CYJ7OEPW2QLW4QCR · pith_short_8: CYJ7OEPW

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/CYJ7OEPW2QLW4QCRUSABXM6U5D \
  | 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: 1613f711f6d4176e4051a4801bb3d4e8de03cfe8329358499571c7ed0846ef51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "436b3d9cb9bc6bb800ea3d89272cbb438235d6d7f5266276dadb8817b317dd13",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-12-13T21:51:02Z",
    "title_canon_sha256": "5cf9d4b0b664082e9094652ec6a814ac2e1e24375b7d244d063b9f22ae162b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05020",
    "kind": "arxiv",
    "version": 2
  }
}