Pith Number

pith:XRAVWETA

pith:2011:XRAVWETABRSKNEY7BW5WR26G3U

not attested not anchored not stored refs pending

The integral cohomology of configuration spaces of pairs of points in real projective spaces

Carlos Dominguez, Jesus Gonzalez, Peter Landweber

arxiv:1106.4593 v1 · 2011-06-22 · 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{XRAVWETABRSKNEY7BW5WR26G3U}

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	2026-05-18T04:19:32.501709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc415b12600c64a6931f0dbb68ebc6dd24b451a5ca41d68cad02e5da19ddc62b

Aliases

arxiv: 1106.4593 · arxiv_version: 1106.4593v1 · doi: 10.48550/arxiv.1106.4593 · pith_short_12: XRAVWETABRSK · pith_short_16: XRAVWETABRSKNEY7 · pith_short_8: XRAVWETA

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/XRAVWETABRSKNEY7BW5WR26G3U \
  | 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: bc415b12600c64a6931f0dbb68ebc6dd24b451a5ca41d68cad02e5da19ddc62b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab1d9e6ca0d941661b1e49332cee9656421ce87320196a7a43b6558f4193d7c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-06-22T23:08:48Z",
    "title_canon_sha256": "056808f4335bccc5b0f11e304afa4d1e9d3d5b663c786c0bd2b7155c7e9541a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4593",
    "kind": "arxiv",
    "version": 1
  }
}