Pith Number

pith:FPUZYBHC

pith:2013:FPUZYBHC22CEGWMIY7XEZIONII

not attested not anchored not stored refs pending

Static Enforceability of XPath-Based Access Control Policies

James Cheney

arxiv:1308.0502 v1 · 2013-08-02 · cs.DB · cs.CR · 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{FPUZYBHC22CEGWMIY7XEZIONII}

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	2026-05-18T03:16:50.336979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2be99c04e2d684435988c7ee4ca1cd422844bde242899351d6f854dd8825cf9c

Aliases

arxiv: 1308.0502 · arxiv_version: 1308.0502v1 · doi: 10.48550/arxiv.1308.0502 · pith_short_12: FPUZYBHC22CE · pith_short_16: FPUZYBHC22CEGWMI · pith_short_8: FPUZYBHC

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/FPUZYBHC22CEGWMIY7XEZIONII \
  | 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: 2be99c04e2d684435988c7ee4ca1cd422844bde242899351d6f854dd8825cf9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dfca4acbda2208e4c62eb8b2b541a9981028efc05dde6cc30afdb53fd9e919f",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-08-02T13:52:36Z",
    "title_canon_sha256": "6aa27676ba5cfd5837733e4775f5c609d73317a54ed589f8cc9fbff3d484d18b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0502",
    "kind": "arxiv",
    "version": 1
  }
}