Pith Number

pith:JIQ2YFBX

pith:2010:JIQ2YFBXAQ2N3KGI4XMUTAIGWB

not attested not anchored not stored refs pending

Inaccessibility and Subinaccessibility. In two parts. Part II

A. Kiselev

arxiv:1011.1447 v2 · 2010-11-05 · math.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{JIQ2YFBXAQ2N3KGI4XMUTAIGWB}

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	2026-05-18T04:11:08.467989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a21ac14370434dda8c8e5d9498106b0560d965810a3aa9fe990637180a8fe9a

Aliases

arxiv: 1011.1447 · arxiv_version: 1011.1447v2 · doi: 10.48550/arxiv.1011.1447 · pith_short_12: JIQ2YFBXAQ2N · pith_short_16: JIQ2YFBXAQ2N3KGI · pith_short_8: JIQ2YFBX

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/JIQ2YFBXAQ2N3KGI4XMUTAIGWB \
  | 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: 4a21ac14370434dda8c8e5d9498106b0560d965810a3aa9fe990637180a8fe9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94dc734d2ce6f6349b4462e83f093650fcc1d248559774079a3931dd24fa113e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2010-11-05T16:13:21Z",
    "title_canon_sha256": "27b84c378995ce1ee55d5e0eac446e7d2966d0f997c9667f6b1bfa745091e56f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1447",
    "kind": "arxiv",
    "version": 2
  }
}