Pith Number

pith:RWLNTEGR

pith:2015:RWLNTEGRGD7VC6SBOFTW6EMGDY

not attested not anchored not stored refs pending

Brieskorn Manifolds, Positive Sasakian Geometry, and Contact Topology

Charles P. Boyer, Leonardo Macarini, Otto van Koert

arxiv:1506.08672 v1 · 2015-06-29 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWLNTEGRGD7VC6SBOFTW6EMGDY}

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	2026-05-18T00:54:41.564391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d96d990d130ff517a4171676f11861e3faf5c620cdca43cb1d5e03eed6a773b

Aliases

arxiv: 1506.08672 · arxiv_version: 1506.08672v1 · doi: 10.48550/arxiv.1506.08672 · pith_short_12: RWLNTEGRGD7V · pith_short_16: RWLNTEGRGD7VC6SB · pith_short_8: RWLNTEGR

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/RWLNTEGRGD7VC6SBOFTW6EMGDY \
  | 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: 8d96d990d130ff517a4171676f11861e3faf5c620cdca43cb1d5e03eed6a773b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4f462e114b939dd2fe645cf9739ad15dcd8ee38f821a1cb1da7f92d817b56ea",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-06-29T15:04:26Z",
    "title_canon_sha256": "b8cd01f2c8ee328a9222b42a1022735da3f6fce505eb757a54bcf1e73dd8f43f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08672",
    "kind": "arxiv",
    "version": 1
  }
}