Pith Number

pith:NW6OU2YC

pith:2013:NW6OU2YCCB6KCQEHNKOK6NCF64

not attested not anchored not stored refs pending

SO(3) massive gravity

Chunshan Lin

arxiv:1305.2069 v4 · 2013-05-09 · hep-th · astro-ph.CO · 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{NW6OU2YCCB6KCQEHNKOK6NCF64}

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	2026-05-18T02:45:56.008096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbcea6b02107ca140876a9caf3445f7063420ae5927e2763af702c62766f436

Aliases

arxiv: 1305.2069 · arxiv_version: 1305.2069v4 · doi: 10.48550/arxiv.1305.2069 · pith_short_12: NW6OU2YCCB6K · pith_short_16: NW6OU2YCCB6KCQEH · pith_short_8: NW6OU2YC

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/NW6OU2YCCB6KCQEHNKOK6NCF64 \
  | 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: 6dbcea6b02107ca140876a9caf3445f7063420ae5927e2763af702c62766f436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2989c2a28332b1d95888905d3adc791e3d9d6bf025cdc4b22925b392c57c7ace",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-05-09T12:15:54Z",
    "title_canon_sha256": "6ef2345230f6f360012c27635bc99ee6212cc6f53a09c9d0c5f7077a32a1eec2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2069",
    "kind": "arxiv",
    "version": 4
  }
}