Pith Number

pith:EXDQZGR2

pith:2011:EXDQZGR2MAU7OERFU2ZLA6V36O

not attested not anchored not stored refs pending

Improving the Usability of Privacy Settings in Facebook

Daniel Puscher, Thomas Paul, Thorsten Strufe

arxiv:1109.6046 v1 · 2011-09-27 · cs.CR · cs.CY · 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{EXDQZGR2MAU7OERFU2ZLA6V36O}

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	2026-05-18T04:12:09.872538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25c70c9a3a6029f71225a6b2b07abbf3bafc10b3f092e2458aae2ad6df0a8fa5

Aliases

arxiv: 1109.6046 · arxiv_version: 1109.6046v1 · doi: 10.48550/arxiv.1109.6046 · pith_short_12: EXDQZGR2MAU7 · pith_short_16: EXDQZGR2MAU7OERF · pith_short_8: EXDQZGR2

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/EXDQZGR2MAU7OERFU2ZLA6V36O \
  | 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: 25c70c9a3a6029f71225a6b2b07abbf3bafc10b3f092e2458aae2ad6df0a8fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e97a04c4438094c093cb51a6e0cc1d3de7b50e398622f3a93e64329c99f2e3f",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-09-27T21:42:41Z",
    "title_canon_sha256": "65b17e12a69c5a089fe27a48700ea2e9c5013824849751e37264fa272b91eec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6046",
    "kind": "arxiv",
    "version": 1
  }
}