Pith Number

pith:4T6JMT3M

pith:2026:4T6JMT3MYKW2HZQW5ZFKBTLOHM

not attested not anchored not stored refs pending

Separating the linearized Einstein equations in Kerr

Jianwei Mei

arxiv:2607.16581 v1 · 2026-07-18 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4T6JMT3MYKW2HZQW5ZFKBTLOHM}

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	2026-07-21T00:20:26.537474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4fc964f6cc2ada3e616ee4aa0cd6e3b1914ede60bb4fa2168b08f8490e16b5a

Aliases

arxiv: 2607.16581 · arxiv_version: 2607.16581v1 · doi: 10.48550/arxiv.2607.16581 · pith_short_12: 4T6JMT3MYKW2 · pith_short_16: 4T6JMT3MYKW2HZQW · pith_short_8: 4T6JMT3M

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/4T6JMT3MYKW2HZQW5ZFKBTLOHM \
  | 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: e4fc964f6cc2ada3e616ee4aa0cd6e3b1914ede60bb4fa2168b08f8490e16b5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f03160638f051f8254d3b8214d7b6419dade2ebef2cf49baea93353b51c8d88",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-18T01:46:31Z",
    "title_canon_sha256": "d873d8fe3560beed803a350c4c085a6597d50536f952afa71b616f8c4bd4c25c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16581",
    "kind": "arxiv",
    "version": 1
  }
}