Pith Number

pith:B7T2Z4BV

pith:2016:B7T2Z4BVAPVYP7CSJEUFJQQYPG

not attested not anchored not stored refs pending

On the Hausdorff dimension of CAT($\kappa$) surfaces

David Constantine, Jean-Francois Lafont

arxiv:1603.00497 v1 · 2016-03-01 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7T2Z4BVAPVYP7CSJEUFJQQYPG}

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	2026-05-18T01:03:30.629938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe7acf03503eb87fc52492854c21879a74edf18db829c42b5fa29773ce6b5e6

Aliases

arxiv: 1603.00497 · arxiv_version: 1603.00497v1 · doi: 10.48550/arxiv.1603.00497 · pith_short_12: B7T2Z4BVAPVY · pith_short_16: B7T2Z4BVAPVYP7CS · pith_short_8: B7T2Z4BV

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/B7T2Z4BVAPVYP7CSJEUFJQQYPG \
  | 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: 0fe7acf03503eb87fc52492854c21879a74edf18db829c42b5fa29773ce6b5e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd37ba274b705dd96b24c65cdd8cc421766aa9ea552f3001d2a3b1c525e6370",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-03-01T21:41:51Z",
    "title_canon_sha256": "855ab001a24a170ebd0c3e4021eeb69c1627eb9c6091a12d34b8450a0f2b1b74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00497",
    "kind": "arxiv",
    "version": 1
  }
}