Pith Number

pith:YQDHT2LU

pith:2011:YQDHT2LUG6Z2HIRXOTD7G5X7UD

not attested not anchored not stored refs pending

Lindelof spaces which are indestructible, productive, or D

Franklin D. Tall, Leandro F. Aurichi

arxiv:1104.2793 v1 · 2011-04-14 · 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{YQDHT2LUG6Z2HIRXOTD7G5X7UD}

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	2026-05-18T04:24:26.824858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c40679e97437b3a3a23774c7f376ffa0c316e0fd1ad3ac905a660035e513b019

Aliases

arxiv: 1104.2793 · arxiv_version: 1104.2793v1 · doi: 10.48550/arxiv.1104.2793 · pith_short_12: YQDHT2LUG6Z2 · pith_short_16: YQDHT2LUG6Z2HIRX · pith_short_8: YQDHT2LU

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/YQDHT2LUG6Z2HIRXOTD7G5X7UD \
  | 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: c40679e97437b3a3a23774c7f376ffa0c316e0fd1ad3ac905a660035e513b019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9fed8f6cea4a1435eee7f6dd556bf6bb261a8b47f1f525110aa8b17ddcd763",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2011-04-14T15:05:48Z",
    "title_canon_sha256": "6fa423172e77de3f990e120e3720faa032c38dee6191cfa66aed9a9f59f677d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2793",
    "kind": "arxiv",
    "version": 1
  }
}