Pith Number

pith:XU5LZTR2

pith:2017:XU5LZTR2XUORR5TKOESUUR3PCM

not attested not anchored not stored refs pending

qDSA: Small and Secure Digital Signatures with Curve-based Diffie--Hellman Key Pairs

Benjamin Smith (GRACE, Joost Renes, LIX)

arxiv:1709.03358 v1 · 2017-09-11 · 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{XU5LZTR2XUORR5TKOESUUR3PCM}

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	2026-05-18T00:35:38.649158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd3abcce3abd1d18f66a71254a476f13225feeb25d9c73f91ce6b10297eb7de0

Aliases

arxiv: 1709.03358 · arxiv_version: 1709.03358v1 · doi: 10.48550/arxiv.1709.03358 · pith_short_12: XU5LZTR2XUOR · pith_short_16: XU5LZTR2XUORR5TK · pith_short_8: XU5LZTR2

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/XU5LZTR2XUORR5TKOESUUR3PCM \
  | 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: bd3abcce3abd1d18f66a71254a476f13225feeb25d9c73f91ce6b10297eb7de0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ba9176e8b7920b655874f9ccbb8313f2dbc72a44fe2cf60dc1a1a7ab62dffd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-09-11T13:05:58Z",
    "title_canon_sha256": "840ae1aa754e103ea2d60d267e623daae13305dc99f193b0cb93ce566e44b1ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03358",
    "kind": "arxiv",
    "version": 1
  }
}