Pith Number

pith:E64K5W25

pith:2021:E64K5W253C4UGS6S6WF7NVKB6H

not attested not anchored not stored refs pending

You Really Shouldn't Roll Your Own Crypto: An Empirical Study of Vulnerabilities in Cryptographic Libraries

Daniel J. Weitzner, Jenny Blessing, Michael A. Specter

arxiv:2107.04940 v1 · 2021-07-11 · 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{E64K5W253C4UGS6S6WF7NVKB6H}

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.

Cited by

1 paper in Pith

Protecting Cryptographic Libraries against Side-Channel and Code-Reuse Attacks

Receipt and verification

First computed	2026-07-05T02:56:44.521191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27b8aedb5dd8b9434bd2f58bf6d541f1f0e064ca34a1d65b008a11609f1cb4c6

Aliases

arxiv: 2107.04940 · arxiv_version: 2107.04940v1 · doi: 10.48550/arxiv.2107.04940 · pith_short_12: E64K5W253C4U · pith_short_16: E64K5W253C4UGS6S · pith_short_8: E64K5W25

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/E64K5W253C4UGS6S6WF7NVKB6H \
  | 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: 27b8aedb5dd8b9434bd2f58bf6d541f1f0e064ca34a1d65b008a11609f1cb4c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b435b80570b2981753090a75ff6a157b3f3f6f221e3b60456a0dbcf9bd6f04c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-07-11T02:09:52Z",
    "title_canon_sha256": "c28eadd10fa027b3e315bb91a453b8f61aec4bab27426b3a00e0ecefb3e5cf06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04940",
    "kind": "arxiv",
    "version": 1
  }
}