Pith Number

pith:GA7XTPKR

pith:2012:GA7XTPKR4VY77JCOCYIAAXUBWN

not attested not anchored not stored refs pending

Equivariant Topology of Configuration Spaces

G\"unter M. Ziegler, Pavle V. M. Blagojevi\'c, Wolfgang L\"uck

arxiv:1207.2852 v3 · 2012-07-12 · math.AT · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GA7XTPKR4VY77JCOCYIAAXUBWN}

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	2026-05-18T00:44:30.341419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

303f79bd51e571ffa44e1610005e81b34c7041334fe18c7f65aacf1074b52263

Aliases

arxiv: 1207.2852 · arxiv_version: 1207.2852v3 · doi: 10.48550/arxiv.1207.2852 · pith_short_12: GA7XTPKR4VY7 · pith_short_16: GA7XTPKR4VY77JCO · pith_short_8: GA7XTPKR

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/GA7XTPKR4VY77JCOCYIAAXUBWN \
  | 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: 303f79bd51e571ffa44e1610005e81b34c7041334fe18c7f65aacf1074b52263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b42ea21ad4c4c2304f81eaa94c67aeb9eb0eba0fad0f57bebc87a5e2d822e46",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-07-12T06:15:29Z",
    "title_canon_sha256": "f157d6f3ba2cf3bf0e1880096948661ce196da28388afd55ebe7b6a6f4a8b3c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2852",
    "kind": "arxiv",
    "version": 3
  }
}