Pith Number

pith:M7UPBXB6

pith:2026:M7UPBXB6RAC3FVHK35KBBNP5ZW

not attested not anchored not stored refs pending

Privacy-Preserving Compliance on Public Ledgers via Selective Disclosure Authorization Schemes

Sanchari Das, Supriya Khadka

arxiv:2606.20760 v1 · 2026-06-18 · 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{M7UPBXB6RAC3FVHK35KBBNP5ZW}

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	2026-06-23T00:11:56.025523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e8f0dc3e8805b2d4eadf5410b5fdcd8ace725750e038ca0475e2acde6dbf8d

Aliases

arxiv: 2606.20760 · arxiv_version: 2606.20760v1 · doi: 10.48550/arxiv.2606.20760 · pith_short_12: M7UPBXB6RAC3 · pith_short_16: M7UPBXB6RAC3FVHK · pith_short_8: M7UPBXB6

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/M7UPBXB6RAC3FVHK35KBBNP5ZW \
  | 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: 67e8f0dc3e8805b2d4eadf5410b5fdcd8ace725750e038ca0475e2acde6dbf8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39a712c4483b443b78f8fa212793966a955bc7a33449abe88a75b451b8fbbeb2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-18T09:38:13Z",
    "title_canon_sha256": "07b7efd307e759764d7b414140f69e22ae869fbb0dab1e06a3d244afea68c686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20760",
    "kind": "arxiv",
    "version": 1
  }
}