Pith Number

pith:YRNLD6RM

pith:2018:YRNLD6RM73M2GMB4OMFDGO6F66

not attested not anchored not stored refs pending

The cohomology of free loop spaces of rank 2 flag manifolds

Jelena Grbi\'c, Matthew I. Burfitt

arxiv:1803.03923 v1 · 2018-03-11 · 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{YRNLD6RM73M2GMB4OMFDGO6F66}

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	2026-05-18T00:21:33.464250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c45ab1fa2cfed9a3303c730a333bc5f7bf66f00fd99d4b313624062ba2b30341

Aliases

arxiv: 1803.03923 · arxiv_version: 1803.03923v1 · doi: 10.48550/arxiv.1803.03923 · pith_short_12: YRNLD6RM73M2 · pith_short_16: YRNLD6RM73M2GMB4 · pith_short_8: YRNLD6RM

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/YRNLD6RM73M2GMB4OMFDGO6F66 \
  | 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: c45ab1fa2cfed9a3303c730a333bc5f7bf66f00fd99d4b313624062ba2b30341

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc89acded06f321c08e9107119e4d686c0c03ef5f488941008074987edfd46bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-03-11T08:26:16Z",
    "title_canon_sha256": "ea5c2591a0b0b1cb8077ac5c5b19f3876d680cd4d6bcdb63c401f5e15df4ca94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03923",
    "kind": "arxiv",
    "version": 1
  }
}