Pith Number

pith:3QZAXD4A

pith:2013:3QZAXD4A5GRLQ44B5QPGE665M3

not attested not anchored not stored refs pending

A New Access Control Scheme for Facebook-style Social Networks

Jun Pang, Yang Zhang

arxiv:1304.2504 v3 · 2013-04-09 · cs.CR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QZAXD4A5GRLQ44B5QPGE665M3}

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	2026-05-18T01:17:57.603670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc320b8f80e9a2b87381ec1e627bdd66fb3625fc1fa23421cec6ce95739b3109

Aliases

arxiv: 1304.2504 · arxiv_version: 1304.2504v3 · doi: 10.48550/arxiv.1304.2504 · pith_short_12: 3QZAXD4A5GRL · pith_short_16: 3QZAXD4A5GRLQ44B · pith_short_8: 3QZAXD4A

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/3QZAXD4A5GRLQ44B5QPGE665M3 \
  | 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: dc320b8f80e9a2b87381ec1e627bdd66fb3625fc1fa23421cec6ce95739b3109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "851eff369162c7673854e7ba21b206d8c0ef417d13b9af7dbdded1c8739ea2ed",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-04-09T09:50:23Z",
    "title_canon_sha256": "e61b50b91582e7a698657409ce30a59e2182902b1415113ee146574709b0a407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2504",
    "kind": "arxiv",
    "version": 3
  }
}