Pith Number

pith:IV2R3PQY

pith:2020:IV2R3PQYDBSYOIIOEPA2O655M4

not attested not anchored not stored refs pending

Modal Logics of Some Hereditarily Irresolvable Spaces

Robert Goldblatt

arxiv:2003.12946 v2 · 2020-03-29 · 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{IV2R3PQYDBSYOIIOEPA2O655M4}

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.

Cited by

1 paper in Pith

CrossVIT-augmented Geospatial-Intelligence Visualization System for Tracking Economic Development Dynamics

Receipt and verification

First computed	2026-07-05T07:09:41.057302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45751dbe18186587210e23c1a77bbd673b190c01e6a5702bf63c98a111e700b5

Aliases

arxiv: 2003.12946 · arxiv_version: 2003.12946v2 · doi: 10.48550/arxiv.2003.12946 · pith_short_12: IV2R3PQYDBSY · pith_short_16: IV2R3PQYDBSYOIIO · pith_short_8: IV2R3PQY

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/IV2R3PQYDBSYOIIOEPA2O655M4 \
  | 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: 45751dbe18186587210e23c1a77bbd673b190c01e6a5702bf63c98a111e700b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59bf8c89f1081eaeaf90712511100b4e150d5ab2f5be5317d3075d62f5ea5370",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2020-03-29T04:34:38Z",
    "title_canon_sha256": "13e772766441c5300e43de5f2ea94fc8c50772d1df4425c22f73ba5ddb6f948c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.12946",
    "kind": "arxiv",
    "version": 2
  }
}