Pith Number

pith:PIB77MO2

pith:2013:PIB77MO2MVHOBXOR2DDIALM75Z

not attested not anchored not stored refs pending

Fibered spherical 3-orbifolds

Andrea Seppi, Mattia Mecchia

arxiv:1307.0641 v3 · 2013-07-02 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PIB77MO2MVHOBXOR2DDIALM75Z}

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	2026-05-18T01:10:43.272209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a03ffb1da654ee0ddd1d0c6802d9fee43918ee012f5c790758b4178b7082723

Aliases

arxiv: 1307.0641 · arxiv_version: 1307.0641v3 · doi: 10.48550/arxiv.1307.0641 · pith_short_12: PIB77MO2MVHO · pith_short_16: PIB77MO2MVHOBXOR · pith_short_8: PIB77MO2

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/PIB77MO2MVHOBXOR2DDIALM75Z \
  | 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: 7a03ffb1da654ee0ddd1d0c6802d9fee43918ee012f5c790758b4178b7082723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "923777217e4527eae5a086942da6229206aab453373094e8cbc977b670950f12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-07-02T09:33:18Z",
    "title_canon_sha256": "83b16b83766502609ed9abe8a54b35ad5ef66d94580af56703f667edaad51533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0641",
    "kind": "arxiv",
    "version": 3
  }
}