Pith Number

pith:2NZEYEX6

pith:2018:2NZEYEX6VGDFO4UR5HZKGTLBWP

not attested not anchored not stored refs pending

Blockchain-based TLS Notary Service

Pawel Szalachowski

arxiv:1804.00875 v1 · 2018-04-03 · 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{2NZEYEX6VGDFO4UR5HZKGTLBWP}

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	2026-05-18T00:19:31.899218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3724c12fea986577291e9f2a34d61b3f65ccb1223a2b7563ad03a66ed6f9e79

Aliases

arxiv: 1804.00875 · arxiv_version: 1804.00875v1 · doi: 10.48550/arxiv.1804.00875 · pith_short_12: 2NZEYEX6VGDF · pith_short_16: 2NZEYEX6VGDFO4UR · pith_short_8: 2NZEYEX6

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/2NZEYEX6VGDFO4UR5HZKGTLBWP \
  | 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: d3724c12fea986577291e9f2a34d61b3f65ccb1223a2b7563ad03a66ed6f9e79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "361b8d8c7a6eb76034e23b9f25a025267e91ad739a3d34453663ea7572b36481",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-04-03T09:07:40Z",
    "title_canon_sha256": "f410494cfc9df13a6f7cdc4bd151ada15c5f5b934096a75dc678c1ebae36ceae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00875",
    "kind": "arxiv",
    "version": 1
  }
}