Pith Number

pith:5R3WFATS

pith:2015:5R3WFATS7TEITNYGRWANNPFEXY

not attested not anchored not stored refs pending

Genuine onion: Simple, Fast, Flexible, and Cheap Website Authentication

Griffin Boyce, Paul Syverson

arxiv:1506.04115 v1 · 2015-06-12 · 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{5R3WFATS7TEITNYGRWANNPFEXY}

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	2026-05-18T01:51:18.282760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec77628272fcc889b7068d80d6bca4be12df74ad79c1dd4bd739d29e50997c16

Aliases

arxiv: 1506.04115 · arxiv_version: 1506.04115v1 · doi: 10.48550/arxiv.1506.04115 · pith_short_12: 5R3WFATS7TEI · pith_short_16: 5R3WFATS7TEITNYG · pith_short_8: 5R3WFATS

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/5R3WFATS7TEITNYGRWANNPFEXY \
  | 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: ec77628272fcc889b7068d80d6bca4be12df74ad79c1dd4bd739d29e50997c16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b02dbbcb42591b0355c477e697acc0be14cd727abc466885d6aef5ec16a8783",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-06-12T18:55:44Z",
    "title_canon_sha256": "cabb1ad3eae48ec876ebc1110b1330385f3d8de9a22afcfdea5339abd2421c17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04115",
    "kind": "arxiv",
    "version": 1
  }
}