Pith Number

pith:7NOGISIR

pith:2018:7NOGISIRMTZEQKWNPGG7W5OTZD

not attested not anchored not stored refs pending

The groups $G_{k+1}^{k}$ and fundamental groups of configuration spaces

Vassily Olegovich Manturov

arxiv:1803.01195 v1 · 2018-03-03 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NOGISIRMTZEQKWNPGG7W5OTZD}

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	2026-05-18T00:22:01.481363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5c64491164f2482acd798dfb75d3c8e652d79f506106858c57318249b6834b

Aliases

arxiv: 1803.01195 · arxiv_version: 1803.01195v1 · doi: 10.48550/arxiv.1803.01195 · pith_short_12: 7NOGISIRMTZE · pith_short_16: 7NOGISIRMTZEQKWN · pith_short_8: 7NOGISIR

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/7NOGISIRMTZEQKWNPGG7W5OTZD \
  | 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: fb5c64491164f2482acd798dfb75d3c8e652d79f506106858c57318249b6834b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9235f8e2e011fcee78b3b720da60195439017f44ecf44cb226cf16226abee8f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-03-03T16:23:33Z",
    "title_canon_sha256": "04f2623416020b6122c3528274c41397c9e9d08fef7198a807d68eae2739a1be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01195",
    "kind": "arxiv",
    "version": 1
  }
}