Pith Number

pith:7YDTIU7W

pith:2022:7YDTIU7WIFEXMFNJX6MWIQRGOT

not attested not anchored not stored refs pending

Bending Teichm\"uller spaces and character varieties

Shinpei Baba

arxiv:2203.15394 v6 · 2022-03-29 · math.GT · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YDTIU7WIFEXMFNJX6MWIQRGOT}

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	2026-05-20T00:05:23.727462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe073453f641497615a9bf9964422674d2351fbb4b815433c0618e8713411249

Aliases

arxiv: 2203.15394 · arxiv_version: 2203.15394v6 · doi: 10.48550/arxiv.2203.15394 · pith_short_12: 7YDTIU7WIFEX · pith_short_16: 7YDTIU7WIFEXMFNJ · pith_short_8: 7YDTIU7W

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/7YDTIU7WIFEXMFNJX6MWIQRGOT \
  | 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: fe073453f641497615a9bf9964422674d2351fbb4b815433c0618e8713411249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efbfd1c2b84716a74122447645658b2e1408a89c9d1faeae41fec3c6bb908d0a",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2022-03-29T09:39:30Z",
    "title_canon_sha256": "c3ae4f6c417ff0c94bd85a33ecca61e6ac805a462da77fcd579cafde900ad32b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15394",
    "kind": "arxiv",
    "version": 6
  }
}