Pith Number

pith:FXCGIDUP

pith:2011:FXCGIDUPMC47OUKYI4KBDYKFWX

not attested not anchored not stored refs pending

Subspaces of pseudoradial spaces

Martin Sleziak

arxiv:1108.3536 v1 · 2011-08-17 · 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{FXCGIDUPMC47OUKYI4KBDYKFWX}

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	2026-05-18T04:15:17.446465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dc4640e8f60b9f75158471411e145b5f4f0374c6e2ba8a7d1faabc1187ca18d

Aliases

arxiv: 1108.3536 · arxiv_version: 1108.3536v1 · doi: 10.48550/arxiv.1108.3536 · pith_short_12: FXCGIDUPMC47 · pith_short_16: FXCGIDUPMC47OUKY · pith_short_8: FXCGIDUP

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/FXCGIDUPMC47OUKYI4KBDYKFWX \
  | 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: 2dc4640e8f60b9f75158471411e145b5f4f0374c6e2ba8a7d1faabc1187ca18d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea9dcf5e287b1cad6662d1907c00ba384522a55d68e25043555aa9ba1d4b0be3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2011-08-17T17:48:53Z",
    "title_canon_sha256": "96f0a07b49b4d4723f9cf860898147016252f0865369ef049d049bcbfc0fb2eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3536",
    "kind": "arxiv",
    "version": 1
  }
}