Pith Number

pith:3UAHKF54

pith:2010:3UAHKF54GPGUDNL6N7YYUE7HMR

not attested not anchored not stored refs pending

The category of reduced orbifolds in local charts

Anke D. Pohl

arxiv:1001.0668 v5 · 2010-01-05 · math.GT · 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{3UAHKF54GPGUDNL6N7YYUE7HMR}

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	2026-05-18T01:33:40.719028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd007517bc33cd41b57e6ff18a13e7644203aba28f7d690727ad91ade49f1a67

Aliases

arxiv: 1001.0668 · arxiv_version: 1001.0668v5 · doi: 10.48550/arxiv.1001.0668 · pith_short_12: 3UAHKF54GPGU · pith_short_16: 3UAHKF54GPGUDNL6 · pith_short_8: 3UAHKF54

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/3UAHKF54GPGUDNL6N7YYUE7HMR \
  | 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: dd007517bc33cd41b57e6ff18a13e7644203aba28f7d690727ad91ade49f1a67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c25f1f35771d99324a0ba5cf9f93a3c2acfa01d759856db81c2144ddca0026e",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-01-05T10:07:48Z",
    "title_canon_sha256": "39882777870a9891278977d40ac6173ef747374735d6ddf78be5452f1e05fc25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0668",
    "kind": "arxiv",
    "version": 5
  }
}