Pith Number

pith:7X6VQLGF

pith:2025:7X6VQLGFBL6XT22K7FOOPB7A7U

not attested not anchored not stored refs pending

A Constant-Time Hardware Architecture for the CSIDH Key-Exchange Protocol

Diego Mart\'in, Francisco Hernando-Gallego, Masoud Kaveh, Nuria Serrano, Sina Bagheri

arxiv:2508.11082 v1 · 2025-08-14 · 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{7X6VQLGFBL6XT22K7FOOPB7A7U}

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	2026-07-05T11:54:18.224835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdfd582cc50afd79eb4af95ce787e0fd1eebd22ef917a0ceee97155942e78381

Aliases

arxiv: 2508.11082 · arxiv_version: 2508.11082v1 · doi: 10.48550/arxiv.2508.11082 · pith_short_12: 7X6VQLGFBL6X · pith_short_16: 7X6VQLGFBL6XT22K · pith_short_8: 7X6VQLGF

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/7X6VQLGFBL6XT22K7FOOPB7A7U \
  | 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: fdfd582cc50afd79eb4af95ce787e0fd1eebd22ef917a0ceee97155942e78381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4181ece8dda0ba9a46b3adbf12ac7369cb90dc0588f246f52d9abf03bf52250c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-08-14T21:37:29Z",
    "title_canon_sha256": "13cfdbb855852a17dad742c5adbddc45e3e7491a60a02feae8a09c6db145d278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.11082",
    "kind": "arxiv",
    "version": 1
  }
}