Pith Number

pith:BNWRLTQV

pith:2018:BNWRLTQVA2WP4LJFZMXUGYXBLD

not attested not anchored not stored refs pending

Blowing up extremal Poincar\'e type manifolds

Lars Martin Sektnan

arxiv:1811.12584 v1 · 2018-11-30 · 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{BNWRLTQVA2WP4LJFZMXUGYXBLD}

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	2026-05-17T23:59:29.186893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b6d15ce1506acfe2d25cb2f4362e158d1f1e64b040fbceddd6a592c2bf8d733

Aliases

arxiv: 1811.12584 · arxiv_version: 1811.12584v1 · doi: 10.48550/arxiv.1811.12584 · pith_short_12: BNWRLTQVA2WP · pith_short_16: BNWRLTQVA2WP4LJF · pith_short_8: BNWRLTQV

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/BNWRLTQVA2WP4LJFZMXUGYXBLD \
  | 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: 0b6d15ce1506acfe2d25cb2f4362e158d1f1e64b040fbceddd6a592c2bf8d733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e93b71265dba4b33f5b9d11a788570a1a3fded74f8baa4fd426ba572d3641db8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-11-30T02:30:49Z",
    "title_canon_sha256": "0fff795806f52ce1f22a8447dcb010459360d3ca18c134e383d5c88edc54a768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12584",
    "kind": "arxiv",
    "version": 1
  }
}