Pith Number

pith:BJCPTVWJ

pith:2025:BJCPTVWJQSY6BIIC3PATXDLLUQ

not attested not anchored not stored refs pending

Understanding Trust in Authentication Methods for Icelandic Digital Public Services

\'Asta Gu{\dh}r\'un Helgad\'ottir, Brynj\'olfur Stef\'ansson, Helmut Neukirchen, Martin Nizon-Deladoeuille, Thomas Welsh

arxiv:2501.17548 v1 · 2025-01-29 · 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{BJCPTVWJQSY6BIIC3PATXDLLUQ}

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	2026-07-05T10:20:18.867773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a44f9d6c984b1e0a102dbc13b8d6ba4179f6a271e218ada7401166a283d38fb

Aliases

arxiv: 2501.17548 · arxiv_version: 2501.17548v1 · doi: 10.48550/arxiv.2501.17548 · pith_short_12: BJCPTVWJQSY6 · pith_short_16: BJCPTVWJQSY6BIIC · pith_short_8: BJCPTVWJ

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/BJCPTVWJQSY6BIIC3PATXDLLUQ \
  | 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: 0a44f9d6c984b1e0a102dbc13b8d6ba4179f6a271e218ada7401166a283d38fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49337d8e0f8dab4e2baa9528aa10e4147a5d5d1ab6bea887a14f09c04b7b4f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-01-29T10:34:13Z",
    "title_canon_sha256": "6a834e92870e4e7e181a32e36a558a1d9e12320c05baedfb6348e3a2b513bdb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17548",
    "kind": "arxiv",
    "version": 1
  }
}