Pith Number

pith:BKF46SSU

pith:2015:BKF46SSU77EDTHVXI7DVOBKGJ2

not attested not anchored not stored refs pending

A Verified Information-Flow Architecture

Andr\'e DeHon, Andrew Tolmach, Arthur Azevedo de Amorim, Benjamin C. Pierce, Catalin Hritcu, David Pichardie, Delphine Demange, Nathan Collins, Randy Pollack

arxiv:1509.06503 v2 · 2015-09-22 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKF46SSU77EDTHVXI7DVOBKGJ2}

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	2026-05-18T01:19:34.095379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a8bcf4a54ffc8399eb747c75705464ea290744b1da7704f1843afb341e4e4c9

Aliases

arxiv: 1509.06503 · arxiv_version: 1509.06503v2 · doi: 10.48550/arxiv.1509.06503 · pith_short_12: BKF46SSU77ED · pith_short_16: BKF46SSU77EDTHVX · pith_short_8: BKF46SSU

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/BKF46SSU77EDTHVXI7DVOBKGJ2 \
  | 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: 0a8bcf4a54ffc8399eb747c75705464ea290744b1da7704f1843afb341e4e4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e66e7bf1c505068404b22b248450830f70b9e252fe1cb999987abfdb7558184",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-09-22T08:38:20Z",
    "title_canon_sha256": "6eda181b383091fe390adcc7852e5ede8c2965fa047f4de38708a64fdb90f7a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06503",
    "kind": "arxiv",
    "version": 2
  }
}