Pith Number

pith:QINEL3LH

pith:2013:QINEL3LHC5JJPKR3FLHYAE5WCU

not attested not anchored not stored refs pending

Notes on Physical & Logical Data Layouts

Michael Hausenblas

arxiv:1305.6506 v1 · 2013-05-28 · 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{QINEL3LHC5JJPKR3FLHYAE5WCU}

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	2026-05-18T03:24:40.571694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

821a45ed67175297aa3b2acf8013b6152d5432c2b69bbbb2439e593479487d69

Aliases

arxiv: 1305.6506 · arxiv_version: 1305.6506v1 · doi: 10.48550/arxiv.1305.6506 · pith_short_12: QINEL3LHC5JJ · pith_short_16: QINEL3LHC5JJPKR3 · pith_short_8: QINEL3LH

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/QINEL3LHC5JJPKR3FLHYAE5WCU \
  | 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: 821a45ed67175297aa3b2acf8013b6152d5432c2b69bbbb2439e593479487d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1197d238761c7af4c8b5280969f4002e646650dd2402b319cea38e70ad5d3057",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-05-28T14:16:11Z",
    "title_canon_sha256": "22ae1b63fbc618d07562197dd29913634d227f6ea73ee14972316a160776699a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6506",
    "kind": "arxiv",
    "version": 1
  }
}