Pith Number

pith:C7E2PL4Y

pith:2010:C7E2PL4YCMTNYTYN7ERQCIDL3I

not attested not anchored not stored refs pending

Bornologies, selection principles and function spaces

Agata Caserta, Giuseppe Di Maio, Ljubisa D.R. Kocinac

arxiv:1010.3368 v1 · 2010-10-16 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7E2PL4YCMTNYTYN7ERQCIDL3I}

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	2026-05-18T04:39:09.316307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17c9a7af981326dc4f0df92301206bda0c71ea339697ae183c1ae5645ad204dc

Aliases

arxiv: 1010.3368 · arxiv_version: 1010.3368v1 · doi: 10.48550/arxiv.1010.3368 · pith_short_12: C7E2PL4YCMTN · pith_short_16: C7E2PL4YCMTNYTYN · pith_short_8: C7E2PL4Y

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/C7E2PL4YCMTNYTYN7ERQCIDL3I \
  | 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: 17c9a7af981326dc4f0df92301206bda0c71ea339697ae183c1ae5645ad204dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf26d8e45535b9524dc7524e034fe4c8f9b4ecedf7da175e80930493aa6e3c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2010-10-16T19:10:55Z",
    "title_canon_sha256": "7b2926cbaba4ef9b2cac6ed35df21eab66d03d7d117b44326c72c0392bd9e6d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3368",
    "kind": "arxiv",
    "version": 1
  }
}