Pith Number

pith:5EOFEJRN

pith:2019:5EOFEJRN7NI5PWF75DY63MLC5G

not attested not anchored not stored refs pending

Anti-Self-Dual Spacetimes, Gravitational Instantons and Knotted Zeros of the Weyl Tensor

Jan Willem Dalhuisen, Snigdh Sabharwal

arxiv:1904.06030 v3 · 2019-04-12 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EOFEJRN7NI5PWF75DY63MLC5G}

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

Hawking Radiation meets the Double Copy

Receipt and verification

First computed	2026-05-17T23:40:48.942226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e91c52262dfb51d7d8bfe8f1edb162e98b2cc49ff16a7bfe8b093b045cbf3159

Aliases

arxiv: 1904.06030 · arxiv_version: 1904.06030v3 · doi: 10.48550/arxiv.1904.06030 · pith_short_12: 5EOFEJRN7NI5 · pith_short_16: 5EOFEJRN7NI5PWF7 · pith_short_8: 5EOFEJRN

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/5EOFEJRN7NI5PWF75DY63MLC5G \
  | 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: e91c52262dfb51d7d8bfe8f1edb162e98b2cc49ff16a7bfe8b093b045cbf3159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "076036c832da4694c74ed75edf39efa45c57e3fafea58ecfb26e8dff6b4e6a26",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-04-12T04:52:21Z",
    "title_canon_sha256": "3e7d51c08ec446dff28f3b235206792cac946094411c8749acf9b3a9075ed944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06030",
    "kind": "arxiv",
    "version": 3
  }
}