Pith Number

pith:RW3NSYTM

pith:2009:RW3NSYTMVR5KRFU6M4TSKKO3DU

not attested not anchored not stored refs pending

General Relativity in two dimensions: a Hamilton-Jacobi constraint analysis

B.M.Pimentel, M.C.Bertin, P.J.Pompeia

arxiv:0911.2120 v1 · 2009-11-11 · 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{RW3NSYTMVR5KRFU6M4TSKKO3DU}

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	2026-05-18T02:34:11.252651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8db6d9626cac7aa8969e67272529db1d0e718d664b87915c8ddcb4229cafd7bb

Aliases

arxiv: 0911.2120 · arxiv_version: 0911.2120v1 · doi: 10.48550/arxiv.0911.2120 · pith_short_12: RW3NSYTMVR5K · pith_short_16: RW3NSYTMVR5KRFU6 · pith_short_8: RW3NSYTM

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/RW3NSYTMVR5KRFU6M4TSKKO3DU \
  | 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: 8db6d9626cac7aa8969e67272529db1d0e718d664b87915c8ddcb4229cafd7bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "382a9b28bcce5145f1fef566bd6dad104f412207a20d745695f0d3dc45fd4af4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-11-11T11:54:11Z",
    "title_canon_sha256": "ca0d62ca9fb30dd11a04f7687905b7586797cf9b895fa7218dcab5c9dc6af62b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2120",
    "kind": "arxiv",
    "version": 1
  }
}