Pith Number

pith:WR3OJGOQ

pith:2008:WR3OJGOQZBETGUJLM2LJU4HXCQ

not attested not anchored not stored refs pending

Einstein-Rosen waves and the self-similarity hypothesis in cylindrical symmetry

Brien C. Nolan, Ken-ichi Nakao, Tomohiro Harada

arxiv:0812.3462 v4 · 2008-12-18 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WR3OJGOQZBETGUJLM2LJU4HXCQ}

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	2026-05-18T02:35:08.701436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b476e499d0c84933512b66969a70f71417a37613a3de0ae0328f06874f08ea3e

Aliases

arxiv: 0812.3462 · arxiv_version: 0812.3462v4 · doi: 10.48550/arxiv.0812.3462 · pith_short_12: WR3OJGOQZBET · pith_short_16: WR3OJGOQZBETGUJL · pith_short_8: WR3OJGOQ

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/WR3OJGOQZBETGUJLM2LJU4HXCQ \
  | 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: b476e499d0c84933512b66969a70f71417a37613a3de0ae0328f06874f08ea3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04a6da0ac0b2a43a32dc7698755afee176984afabccc937d253e63c5757a92fe",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-12-18T05:38:53Z",
    "title_canon_sha256": "80b2727a5a1186d72eb16a568770c053c6dfbd537c77c33891041a931fa68dcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3462",
    "kind": "arxiv",
    "version": 4
  }
}