Pith Number

pith:O7MBHMUV

pith:2011:O7MBHMUVRVEC3GJGL562RINBYJ

not attested not anchored not stored refs pending

Topologically subordered rectifiable spaces and compactifications

Fucai Lin

arxiv:1106.3840 v3 · 2011-06-20 · math.GN · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7MBHMUVRVEC3GJGL562RINBYJ}

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	2026-05-18T04:00:52.299906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77d813b2958d482d99265f7da8a1a1c25be748cccd5c5bdc8c3282ce376cfa3a

Aliases

arxiv: 1106.3840 · arxiv_version: 1106.3840v3 · doi: 10.48550/arxiv.1106.3840 · pith_short_12: O7MBHMUVRVEC · pith_short_16: O7MBHMUVRVEC3GJG · pith_short_8: O7MBHMUV

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/O7MBHMUVRVEC3GJGL562RINBYJ \
  | 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: 77d813b2958d482d99265f7da8a1a1c25be748cccd5c5bdc8c3282ce376cfa3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8743418fabc93c7a343d57825f31a34443a8f5c51c49d1776c982bf1dee7b853",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2011-06-20T08:36:36Z",
    "title_canon_sha256": "5bf749ab1ab7aec69136fb805e3e92543d8832fe3d4277738f03b16c28e41d25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3840",
    "kind": "arxiv",
    "version": 3
  }
}