Pith Number

pith:OQQOXVMM

pith:2014:OQQOXVMMDIRAXSEEYMF3ZFVZIN

not attested not anchored not stored refs pending

The Space of Positive Scalar Curvature Metrics on a Manifold with Boundary

Mark Walsh

arxiv:1411.2423 v5 · 2014-11-10 · math.DG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQQOXVMMDIRAXSEEYMF3ZFVZIN}

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.

Cited by

1 paper in Pith

Contractibility results for certain spaces of Riemannian metrics on the disc

Receipt and verification

First computed	2026-07-05T00:02:36.002354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7420ebd58c1a220bc884c30bbc96b9434acddaa6fcd5e801c18fc2bfad2af584

Aliases

arxiv: 1411.2423 · arxiv_version: 1411.2423v5 · doi: 10.48550/arxiv.1411.2423 · pith_short_12: OQQOXVMMDIRA · pith_short_16: OQQOXVMMDIRAXSEE · pith_short_8: OQQOXVMM

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/OQQOXVMMDIRAXSEEYMF3ZFVZIN \
  | 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: 7420ebd58c1a220bc884c30bbc96b9434acddaa6fcd5e801c18fc2bfad2af584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d207b058ca9fd20c73112e78588ec26f0e5fdda21038db7c531c176067ffa327",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-11-10T13:42:58Z",
    "title_canon_sha256": "78a9ef6072ba9fc3c66d178c99b2076534cb48bb621cda089ebcf1dc71594250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2423",
    "kind": "arxiv",
    "version": 5
  }
}