Pith Number

pith:BKDDR4OK

pith:2022:BKDDR4OKOSFWAIXKH2HFSC5TFD

not attested not anchored not stored refs pending

Creating a Secure Underlay for the Internet

Adrian Perrig, Francois Wirz, Grace Cimaszewski, Henry Birge-Lee, Joel Wanner, Jonghoon Kwon, Liang Wang, Prateek Mittal, Yixin Sun

arxiv:2206.06879 v2 · 2022-06-14 · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKDDR4OKOSFWAIXKH2HFSC5TFD}

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	2026-07-05T04:32:01.601052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a8638f1ca748b6022ea3e8e590bb328d74f03802d0f899863ff89500a17fccc

Aliases

arxiv: 2206.06879 · arxiv_version: 2206.06879v2 · doi: 10.48550/arxiv.2206.06879 · pith_short_12: BKDDR4OKOSFW · pith_short_16: BKDDR4OKOSFWAIXK · pith_short_8: BKDDR4OK

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/BKDDR4OKOSFWAIXKH2HFSC5TFD \
  | 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: 0a8638f1ca748b6022ea3e8e590bb328d74f03802d0f899863ff89500a17fccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c38db72bdfdd78ab11c2c3fc69b2872843898b581cf7898a25182ce8f87a1517",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2022-06-14T14:25:10Z",
    "title_canon_sha256": "004aba14e654ff3ddf91f62a1fcf501aacb6a2c249d1181ae0d3b257465edde8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.06879",
    "kind": "arxiv",
    "version": 2
  }
}