Pith Number

pith:HCHGQVQ4

pith:2023:HCHGQVQ4V5L6AZKMBUPURPAH7J

not attested not anchored not stored refs pending

Streamlining personal data access requests: From obstructive procedures to automated web workflows

Elias Gr\"unewald, Florian Kirsten, Frank Pallas, Nicola Leschke

arxiv:2305.03471 v1 · 2023-05-05 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCHGQVQ4V5L6AZKMBUPURPAH7J}

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	2026-07-05T06:07:23.585693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

388e68561caf57e0654c0d1f48bc07fa72bcd6939bc73820e255970fc6fa895a

Aliases

arxiv: 2305.03471 · arxiv_version: 2305.03471v1 · doi: 10.48550/arxiv.2305.03471 · pith_short_12: HCHGQVQ4V5L6 · pith_short_16: HCHGQVQ4V5L6AZKM · pith_short_8: HCHGQVQ4

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/HCHGQVQ4V5L6AZKMBUPURPAH7J \
  | 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: 388e68561caf57e0654c0d1f48bc07fa72bcd6939bc73820e255970fc6fa895a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba8c1d0d8a913c5235367dadd7f3fc37418a1d4e8fa8c1a2c78d654edd3b633f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2023-05-05T12:27:47Z",
    "title_canon_sha256": "3e23dc811c8fb89c33dedf26580b2d02de1b929ae05d4d3dcefd224585b2ad78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.03471",
    "kind": "arxiv",
    "version": 1
  }
}