Pith Number

pith:7JCQ6ABG

pith:2014:7JCQ6ABG3XKNRMUNRM6WZKYPM3

not attested not anchored not stored refs pending

Orbispaces and their Mapping Spaces via Groupoids: A Categorical Approach

Carmen Rovi, Courtney Thatcher, Dorette Pronk, Laura Scull, Vesta Coufal

arxiv:1401.4772 v1 · 2014-01-20 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JCQ6ABG3XKNRMUNRM6WZKYPM3}

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	2026-05-18T03:01:44.640991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa450f0026ddd4d8b28d8b3d6cab0f66f59796b971149ea7b5ad1de3ebe44d10

Aliases

arxiv: 1401.4772 · arxiv_version: 1401.4772v1 · doi: 10.48550/arxiv.1401.4772 · pith_short_12: 7JCQ6ABG3XKN · pith_short_16: 7JCQ6ABG3XKNRMUN · pith_short_8: 7JCQ6ABG

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/7JCQ6ABG3XKNRMUNRM6WZKYPM3 \
  | 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: fa450f0026ddd4d8b28d8b3d6cab0f66f59796b971149ea7b5ad1de3ebe44d10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71557aad0e52ca1e67b9028ddab4d3cd8f8a00995d2691493ebdfce47bbbca61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2014-01-20T02:23:18Z",
    "title_canon_sha256": "cd87eb4bd61a16dfab1d204cc831b62c01aed29ca8668cdc97d7edeeaa25e897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4772",
    "kind": "arxiv",
    "version": 1
  }
}