Pith Number

pith:XLGJOBGO

pith:2013:XLGJOBGOK6SXQJQZTYOMCH5BYO

not attested not anchored not stored refs pending

Homotopy classes of Newtonian spaces

Elefterios Soultanis

arxiv:1309.6472 v7 · 2013-09-25 · math.MG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLGJOBGOK6SXQJQZTYOMCH5BYO}

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	2026-05-18T01:19:35.509396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bacc9704ce57a57826199e1cc11fa1c38f42f5a762b6c5d6fa4782f8e5809936

Aliases

arxiv: 1309.6472 · arxiv_version: 1309.6472v7 · doi: 10.48550/arxiv.1309.6472 · pith_short_12: XLGJOBGOK6SX · pith_short_16: XLGJOBGOK6SXQJQZ · pith_short_8: XLGJOBGO

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/XLGJOBGOK6SXQJQZTYOMCH5BYO \
  | 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: bacc9704ce57a57826199e1cc11fa1c38f42f5a762b6c5d6fa4782f8e5809936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62f2ae6f458bc12e314f75022d019f6fa773c9bf62e7012d1a4fa1e07164a046",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-09-25T11:56:02Z",
    "title_canon_sha256": "c38731b6d514ff26a46094469a5d3b4c979734fc96561a3ba9435326adc8bdfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6472",
    "kind": "arxiv",
    "version": 7
  }
}