Pith Number

pith:OCKHSHTK

pith:2009:OCKHSHTKJ7X5PLAWKHP45PNWMA

not attested not anchored not stored refs pending

The genus and the category of configuration spaces

R.N. Karasev

arxiv:0905.0555 v3 · 2009-05-05 · 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{OCKHSHTKJ7X5PLAWKHP45PNWMA}

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	2026-05-18T04:18:53.428981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7094791e6a4fefd7ac1651dfcebdb66025d243ec68969b90bba69abe2c8b83d0

Aliases

arxiv: 0905.0555 · arxiv_version: 0905.0555v3 · doi: 10.48550/arxiv.0905.0555 · pith_short_12: OCKHSHTKJ7X5 · pith_short_16: OCKHSHTKJ7X5PLAW · pith_short_8: OCKHSHTK

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/OCKHSHTKJ7X5PLAWKHP45PNWMA \
  | 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: 7094791e6a4fefd7ac1651dfcebdb66025d243ec68969b90bba69abe2c8b83d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd948a590bc433e3836d55eb7c04eb47ed5a2d9c21488e665cb9451e0b4686e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2009-05-05T08:55:31Z",
    "title_canon_sha256": "43a5637942b030c62dc16a53f28f7ad447ef1a02f26154fbb415bf50a4f9f5fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0555",
    "kind": "arxiv",
    "version": 3
  }
}