Pith Number

pith:HG63IR2M

pith:2015:HG63IR2MDDGPWKRDIEZEHMUVX7

not attested not anchored not stored refs pending

Cosmology of Spin-2 Fields

M. D. Maia

arxiv:1509.05694 v2 · 2015-09-16 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HG63IR2MDDGPWKRDIEZEHMUVX7}

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	2026-05-18T01:21:31.024203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39bdb4474c18ccfb2a23413243b295bfc079a363060afcc712e80d590a77d23e

Aliases

arxiv: 1509.05694 · arxiv_version: 1509.05694v2 · doi: 10.48550/arxiv.1509.05694 · pith_short_12: HG63IR2MDDGP · pith_short_16: HG63IR2MDDGPWKRD · pith_short_8: HG63IR2M

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/HG63IR2MDDGPWKRDIEZEHMUVX7 \
  | 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: 39bdb4474c18ccfb2a23413243b295bfc079a363060afcc712e80d590a77d23e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "655fa2114c8017561e48d506b7d8acdf213b296b0240cb02690659948d63cd90",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-16T22:44:02Z",
    "title_canon_sha256": "863688170325b39815d8469930f8b036eb3a1d950aa413c8d7c3ec156fe95a7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05694",
    "kind": "arxiv",
    "version": 2
  }
}