Pith Number

pith:W7ATBGFU

pith:2017:W7ATBGFUOISQHOSLRBWXSJMMVL

not attested not anchored not stored refs pending

Preserving Privacy while Broadcasting: $k$-Limited-Access Schemes

Christina Fragouli, Linqi Song, Martina Cardone, Mohammed Karmoose

arxiv:1705.08437 v1 · 2017-05-23 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7ATBGFUOISQHOSLRBWXSJMMVL}

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	2026-05-18T00:03:25.068846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c13098b4722503ba4b886d79258caac5a40ca9dbac38e1df44cb0bcf9a72e4

Aliases

arxiv: 1705.08437 · arxiv_version: 1705.08437v1 · doi: 10.48550/arxiv.1705.08437 · pith_short_12: W7ATBGFUOISQ · pith_short_16: W7ATBGFUOISQHOSL · pith_short_8: W7ATBGFU

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/W7ATBGFUOISQHOSLRBWXSJMMVL \
  | 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: b7c13098b4722503ba4b886d79258caac5a40ca9dbac38e1df44cb0bcf9a72e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a19f31e6aa0343c94c44a4a05aa9c034707757cccdcdd57035d2a85b6a6197c9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-23T17:46:58Z",
    "title_canon_sha256": "8ca0c36a6fe2b2600a1a4b9c962ede87bc77cc65dcb63668c6911c4c5fa16e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08437",
    "kind": "arxiv",
    "version": 1
  }
}