Pith Number

pith:5RF64A4X

pith:2025:5RF64A4X334WFS4O2VK6ZTP3ZA

not attested not anchored not stored refs pending

Typestate via Revocable Capabilities

Craig Liu, Haotian Deng, Siyuan He, Songlin Jia, Tiark Rompf, Yuyan Bao

arxiv:2510.08889 v2 · 2025-10-10 · 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{5RF64A4X334WFS4O2VK6ZTP3ZA}

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	2026-06-12T00:07:48.361375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec4bee0397def962cb8ed555eccdfbc808a8c37378ca54c4d35be1351caa97c2

Aliases

arxiv: 2510.08889 · arxiv_version: 2510.08889v2 · doi: 10.48550/arxiv.2510.08889 · pith_short_12: 5RF64A4X334W · pith_short_16: 5RF64A4X334WFS4O · pith_short_8: 5RF64A4X

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/5RF64A4X334WFS4O2VK6ZTP3ZA \
  | 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: ec4bee0397def962cb8ed555eccdfbc808a8c37378ca54c4d35be1351caa97c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eef01c22b9138e67a61bff2667b34e4af85699bc12523b0d3cf332bfd3458efd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2025-10-10T00:59:11Z",
    "title_canon_sha256": "3bb51beb1ba41ca818995770339e70526d6f1735b3fe6a8637c78d92bdc7ecd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.08889",
    "kind": "arxiv",
    "version": 2
  }
}