Pith Number

pith:YRIDBLN5

pith:2015:YRIDBLN5IX4BHF6YGGKL6HOND6

not attested not anchored not stored refs pending

Relationships, Paths and Principal Matching: A New Approach to Access Control

James Sellwood, Jason Crampton

arxiv:1505.07945 v3 · 2015-05-29 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRIDBLN5IX4BHF6YGGKL6HOND6}

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	2026-05-18T01:32:37.072171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c45030adbd45f81397d83194bf1dcd1f98eb576e9b57560deebccf04c36d2e1a

Aliases

arxiv: 1505.07945 · arxiv_version: 1505.07945v3 · doi: 10.48550/arxiv.1505.07945 · pith_short_12: YRIDBLN5IX4B · pith_short_16: YRIDBLN5IX4BHF6Y · pith_short_8: YRIDBLN5

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/YRIDBLN5IX4BHF6YGGKL6HOND6 \
  | 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: c45030adbd45f81397d83194bf1dcd1f98eb576e9b57560deebccf04c36d2e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4cd434f5ad33deba6a2a1a32a6aa756c36bc4ba55c26c934818b72199f0050e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-05-29T07:26:38Z",
    "title_canon_sha256": "b9c57a2a2aaf8bd7296485fec9d5c7172ab193a339421b3c6b93a11b916140e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07945",
    "kind": "arxiv",
    "version": 3
  }
}