Pith Number

pith:3T7PLF2X

pith:2015:3T7PLF2XQCQ5HE7LN4H5C72W2W

not attested not anchored not stored refs pending

SPRESSO: A Secure, Privacy-Respecting Single Sign-On System for the Web

Daniel Fett, Guido Schmitz, Ralf Kuesters

arxiv:1508.01719 v1 · 2015-08-07 · 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{3T7PLF2XQCQ5HE7LN4H5C72W2W}

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	2026-05-18T01:35:38.923571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcfef5975780a1d393eb6f0fd17f56d59bf35ee2f8dff50ab37ef66250e0f5fd

Aliases

arxiv: 1508.01719 · arxiv_version: 1508.01719v1 · doi: 10.48550/arxiv.1508.01719 · pith_short_12: 3T7PLF2XQCQ5 · pith_short_16: 3T7PLF2XQCQ5HE7L · pith_short_8: 3T7PLF2X

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/3T7PLF2XQCQ5HE7LN4H5C72W2W \
  | 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: dcfef5975780a1d393eb6f0fd17f56d59bf35ee2f8dff50ab37ef66250e0f5fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5db24f01c22a22f4373bc11e41477929fb2bc002b9b10bcc1f03d5a3e88c020",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-08-07T15:12:53Z",
    "title_canon_sha256": "85fc49ad19a5427dd7a34a28c25712d3ce11db545e151a844637040b60a74e43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01719",
    "kind": "arxiv",
    "version": 1
  }
}