Pith Number

pith:HI2PKRDD

pith:2012:HI2PKRDD6LF3URYJOM246TGTUI

not attested not anchored not stored refs pending

Productively Lindelof and Indestructibly Lindelof Spaces

Franklin D. Tall, Haosui Duanmu, Lyubomyr Zdomskyy

arxiv:1210.8010 v1 · 2012-10-30 · math.GN · 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{HI2PKRDD6LF3URYJOM246TGTUI}

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	2026-05-18T03:41:57.375714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a34f54463f2cbba47097335cf4cd3a22af6ee3632d5231dd9d1afcc2bb9f0ff

Aliases

arxiv: 1210.8010 · arxiv_version: 1210.8010v1 · doi: 10.48550/arxiv.1210.8010 · pith_short_12: HI2PKRDD6LF3 · pith_short_16: HI2PKRDD6LF3URYJ · pith_short_8: HI2PKRDD

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/HI2PKRDD6LF3URYJOM246TGTUI \
  | 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: 3a34f54463f2cbba47097335cf4cd3a22af6ee3632d5231dd9d1afcc2bb9f0ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b335f69661c69c6af78ab6e661b69f5aee83c8c930910eb792e56c67601f7264",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2012-10-30T13:53:51Z",
    "title_canon_sha256": "2ee2f20a8c8a28b691758eb32d9be819d6e0b78029048a460464ef7359e73116"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8010",
    "kind": "arxiv",
    "version": 1
  }
}