Pith Number

pith:4LTCU356

pith:2021:4LTCU356M2HXT34MRRG6OIH4MH

not attested not anchored not stored refs pending

The cohomology of the free loop spaces of $SU(n+1)/T^n$

Jelena Grbi\'c, Matthew I. Burfitt

arxiv:2106.03440 v2 · 2021-06-07 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LTCU356M2HXT34MRRG6OIH4MH}

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	2026-07-05T05:09:12.131426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2e62a6fbe668f79ef8c8c4de720fc61f076c9e28b4cb40e4f108904786862c0

Aliases

arxiv: 2106.03440 · arxiv_version: 2106.03440v2 · doi: 10.48550/arxiv.2106.03440 · pith_short_12: 4LTCU356M2HX · pith_short_16: 4LTCU356M2HXT34M · pith_short_8: 4LTCU356

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/4LTCU356M2HXT34MRRG6OIH4MH \
  | 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: e2e62a6fbe668f79ef8c8c4de720fc61f076c9e28b4cb40e4f108904786862c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef8ff6d39ce60a1c88907c94ead1e7ed28cd0641a3005aecc756e374db30d93",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2021-06-07T09:16:31Z",
    "title_canon_sha256": "b129c4faed61eb636cfb2f99e295f35998c9d254cb84cae1fca395e65306250a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.03440",
    "kind": "arxiv",
    "version": 2
  }
}