Pith Number

pith:VRNL3UAY

pith:2022:VRNL3UAYPETJFY6WB4QIG7PGTO

not attested not anchored not stored refs pending

Introducing RISK

Christopher D. Wallbridge, Qiyuan Zhang

arxiv:2208.07306 v1 · 2022-07-17 · cs.RO · cs.AI · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRNL3UAYPETJFY6WB4QIG7PGTO}

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	2026-07-05T04:48:26.344275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac5abdd018792692e3d60f20837de69ba505092fc9f3398ec84631957e6638ba

Aliases

arxiv: 2208.07306 · arxiv_version: 2208.07306v1 · doi: 10.48550/arxiv.2208.07306 · pith_short_12: VRNL3UAYPETJ · pith_short_16: VRNL3UAYPETJFY6W · pith_short_8: VRNL3UAY

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/VRNL3UAYPETJFY6WB4QIG7PGTO \
  | 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: ac5abdd018792692e3d60f20837de69ba505092fc9f3398ec84631957e6638ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efadeed975ebc190f82c48fb5b55b6cba15a3cac44e65d6cf02a95a98b5ec843",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2022-07-17T09:51:10Z",
    "title_canon_sha256": "a5001ebefda90e5f9290c98a135376a1bfefb3c412a2c59d37109dcc50b30b65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.07306",
    "kind": "arxiv",
    "version": 1
  }
}