Pith Number

pith:W6H4UPCF

pith:2018:W6H4UPCFZVYLVSTDBN4BUGWL2L

not attested not anchored not stored refs pending

Brown-York mass and positive scalar curvature II - Besse's conjecture and related problems

Wei Yuan, Yi Fang

arxiv:1806.07801 v1 · 2018-06-20 · 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{W6H4UPCFZVYLVSTDBN4BUGWL2L}

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	2026-05-18T00:12:46.614586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78fca3c45cd70baca630b781a1acbd2fedef3766edd3f48ee744b7da0b5d2f0

Aliases

arxiv: 1806.07801 · arxiv_version: 1806.07801v1 · doi: 10.48550/arxiv.1806.07801 · pith_short_12: W6H4UPCFZVYL · pith_short_16: W6H4UPCFZVYLVSTD · pith_short_8: W6H4UPCF

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/W6H4UPCFZVYLVSTDBN4BUGWL2L \
  | 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: b78fca3c45cd70baca630b781a1acbd2fedef3766edd3f48ee744b7da0b5d2f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07cf04de6e625ff6d6522a721f9254176b721acabe596804f43e3b494d99cfb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-06-20T15:44:17Z",
    "title_canon_sha256": "02744bc049b8d1510ee3fb79b9da95c16cb720c540f3df778d1e9060720ffbce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07801",
    "kind": "arxiv",
    "version": 1
  }
}