Pith Number

pith:P2YHT2ND

pith:2019:P2YHT2NDCICRUWHRDFALBMLQRW

not attested not anchored not stored refs pending

A Conceptually Well-Founded Characterization of Iterated Admissibility Using an "All I Know" Operator

Joseph Y. Halpern (Cornell University), Rafael Pass (Cornell University)

arxiv:1907.09106 v1 · 2019-07-22 · cs.GT · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2YHT2NDCICRUWHRDFALBMLQRW}

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	2026-05-17T23:40:00.126528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eb079e9a312051a58f11940b0b1708dba41d89e5a85e5c68bf9b5b9389d2b61

Aliases

arxiv: 1907.09106 · arxiv_version: 1907.09106v1 · doi: 10.48550/arxiv.1907.09106 · pith_short_12: P2YHT2NDCICR · pith_short_16: P2YHT2NDCICRUWHR · pith_short_8: P2YHT2ND

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/P2YHT2NDCICRUWHRDFALBMLQRW \
  | 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: 7eb079e9a312051a58f11940b0b1708dba41d89e5a85e5c68bf9b5b9389d2b61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1463f29ead041a7e8c0bb6f9b3828728133a0b284ee9bc148009406559ad9a6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-07-22T03:16:38Z",
    "title_canon_sha256": "7a60aed5cfbbba8ac6f6ffd650725712e68bbb37fd40aab5af0f9a16d5047148"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09106",
    "kind": "arxiv",
    "version": 1
  }
}