Pith Number

pith:BD7RAFDI

pith:2019:BD7RAFDI7Q7YVYLSUWEALVFCVS

not attested not anchored not stored refs pending

Degree theory for orbifolds

Federica Pasquotto, Thomas O. Rot

arxiv:1907.02411 v1 · 2019-07-04 · math.GT · math.AT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BD7RAFDI7Q7YVYLSUWEALVFCVS}

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	2026-05-17T23:41:28.676423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08ff101468fc3f8ae172a58805d4a2acbbad42bfc9719e6076b348e7c1270a69

Aliases

arxiv: 1907.02411 · arxiv_version: 1907.02411v1 · doi: 10.48550/arxiv.1907.02411 · pith_short_12: BD7RAFDI7Q7Y · pith_short_16: BD7RAFDI7Q7YVYLS · pith_short_8: BD7RAFDI

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/BD7RAFDI7Q7YVYLSUWEALVFCVS \
  | 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: 08ff101468fc3f8ae172a58805d4a2acbbad42bfc9719e6076b348e7c1270a69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c4a4f23118aa78764c9b179aec335e30920da43f830aeec6765adf5a0bbd1d0",
    "cross_cats_sorted": [
      "math.AT",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-07-04T14:09:03Z",
    "title_canon_sha256": "fb80da5f657825806622fb06a136accda1800c38b15265537254731604af933f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02411",
    "kind": "arxiv",
    "version": 1
  }
}