Pith Number

pith:KRGBUK6Z

pith:2015:KRGBUK6ZPBIELOJMWL2SOKHKUH

not attested not anchored not stored refs pending

Very Static Enforcement of Dynamic Policies

Bart van Delft, David Sands, Sebastian Hunt

arxiv:1501.02633 v1 · 2015-01-12 · cs.CR · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KRGBUK6ZPBIELOJMWL2SOKHKUH}

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	2026-05-18T02:29:37.598701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

544c1a2bd9785045b92cb2f52728eaa1c8d97e7b33380dc539239ffb4fc94070

Aliases

arxiv: 1501.02633 · arxiv_version: 1501.02633v1 · doi: 10.48550/arxiv.1501.02633 · pith_short_12: KRGBUK6ZPBIE · pith_short_16: KRGBUK6ZPBIELOJM · pith_short_8: KRGBUK6Z

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/KRGBUK6ZPBIELOJMWL2SOKHKUH \
  | 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: 544c1a2bd9785045b92cb2f52728eaa1c8d97e7b33380dc539239ffb4fc94070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d9be551023a542ebfde3eabfc48f35b3cac53a9ee8e7963447e32312edfcb8b",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-01-12T13:03:28Z",
    "title_canon_sha256": "c39aabde8fc0d69bc89a0c8bb2a443f89f05766e5ab22b6680867d6c636b3397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02633",
    "kind": "arxiv",
    "version": 1
  }
}