Pith Number

pith:B73HML3Q

pith:2008:B73HML3Q4B5NJUHGZ326OLNREG

not attested not anchored not stored refs pending

Nonlinear gravitons in 4-D general relativity by expansion about the Kodama state

Eyo Eyo Ita III

arxiv:0812.1574 v3 · 2008-12-08 · 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{B73HML3Q4B5NJUHGZ326OLNREG}

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	2026-05-18T04:41:25.351153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff6762f70e07ad4d0e6cef5e72db121a1169fe9a1b9e054e3c1ec2fbbe358dc

Aliases

arxiv: 0812.1574 · arxiv_version: 0812.1574v3 · doi: 10.48550/arxiv.0812.1574 · pith_short_12: B73HML3Q4B5N · pith_short_16: B73HML3Q4B5NJUHG · pith_short_8: B73HML3Q

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/B73HML3Q4B5NJUHGZ326OLNREG \
  | 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: 0ff6762f70e07ad4d0e6cef5e72db121a1169fe9a1b9e054e3c1ec2fbbe358dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48f66ca9bda04526bcc0ef25c87473040f0f01698d6599f0144b26cc7ab75fec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-12-08T21:31:13Z",
    "title_canon_sha256": "4e6921c61e29de9c31c21629686d1a9debfba4e588f409df31d5ec3c3d7634f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1574",
    "kind": "arxiv",
    "version": 3
  }
}