Pith Number

pith:6IH4JHK6

pith:2010:6IH4JHK6DLW3CZFB6AXNLACNIN

not attested not anchored not stored refs pending

Practical Constructions for the Efficient Cryptographic Enforcement of Interval-Based Access Control Policies

Jason Crampton

arxiv:1005.4993 v2 · 2010-05-27 · cs.CR · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IH4JHK6DLW3CZFB6AXNLACNIN}

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	2026-05-18T04:27:27.071797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f20fc49d5e1aedb164a1f02ed5804d4344b5506bbd12ba7c2a27a0a2dd54f807

Aliases

arxiv: 1005.4993 · arxiv_version: 1005.4993v2 · doi: 10.48550/arxiv.1005.4993 · pith_short_12: 6IH4JHK6DLW3 · pith_short_16: 6IH4JHK6DLW3CZFB · pith_short_8: 6IH4JHK6

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/6IH4JHK6DLW3CZFB6AXNLACNIN \
  | 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: f20fc49d5e1aedb164a1f02ed5804d4344b5506bbd12ba7c2a27a0a2dd54f807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0791183ec02b55ab2a91cc2861cc00b314637d2cf483d3d0774d4e3c43e27b30",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2010-05-27T06:30:16Z",
    "title_canon_sha256": "a59915dfb282c53aa8e08f7c6f7c4cb67808c87c4ecee4c7763d37d8c3c3f749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4993",
    "kind": "arxiv",
    "version": 2
  }
}