Pith Number

pith:YZKPAVR2

pith:2012:YZKPAVR2UGLGFNZPBHDHDNLGDF

not attested not anchored not stored refs pending

A positive mass theorem for two spatial dimensions

Willie Wai-Yeung Wong

arxiv:1202.6279 v2 · 2012-02-28 · gr-qc · 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{YZKPAVR2UGLGFNZPBHDHDNLGDF}

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	2026-05-18T04:01:03.483113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c654f0563aa19662b72f09c671b56619695aac357ddcea985f364b2d0145830a

Aliases

arxiv: 1202.6279 · arxiv_version: 1202.6279v2 · doi: 10.48550/arxiv.1202.6279 · pith_short_12: YZKPAVR2UGLG · pith_short_16: YZKPAVR2UGLGFNZP · pith_short_8: YZKPAVR2

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/YZKPAVR2UGLGFNZPBHDHDNLGDF \
  | 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: c654f0563aa19662b72f09c671b56619695aac357ddcea985f364b2d0145830a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a91c391cebfeafb8716031168c49da8f11b62a192254474aea1b6f1a84c4a9a2",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-28T16:51:56Z",
    "title_canon_sha256": "19c6dd2aa81237c7e3845c934dd17a3d2288e99995845a4eda8f40a61ab08c08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6279",
    "kind": "arxiv",
    "version": 2
  }
}