Pith Number

pith:DCAZFFIP

pith:2016:DCAZFFIPYJZ64MO2WKDWY6HH2Y

not attested not anchored not stored refs pending

Coupled K\"ahler-Einstein metrics

David Witt Nystr\"om, Jakob Hultgren

arxiv:1608.07209 v2 · 2016-08-25 · math.DG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCAZFFIPYJZ64MO2WKDWY6HH2Y}

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	2026-05-18T00:48:42.425898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

188192950fc273ee31dab2876c78e7d603b8836485a21ba5042226be3fc57074

Aliases

arxiv: 1608.07209 · arxiv_version: 1608.07209v2 · doi: 10.48550/arxiv.1608.07209 · pith_short_12: DCAZFFIPYJZ6 · pith_short_16: DCAZFFIPYJZ64MO2 · pith_short_8: DCAZFFIP

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/DCAZFFIPYJZ64MO2WKDWY6HH2Y \
  | 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: 188192950fc273ee31dab2876c78e7d603b8836485a21ba5042226be3fc57074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa0c403657cfae9e3c0e3b2475013d269c95de98f269d081aa377af62573dccf",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-08-25T16:21:52Z",
    "title_canon_sha256": "19ecada775ec6e0046713d1b1b79fd6b711198c71b19034bf07ae07c1735986a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07209",
    "kind": "arxiv",
    "version": 2
  }
}