Pith Number

pith:E7IXECOS

pith:2019:E7IXECOSFXRJOSLCFXEQDLCM7I

not attested not anchored not stored refs pending

Is there a Cosmological Basis for E = mc^2?

Geraint F. Lewis

arxiv:1908.09267 v1 · 2019-08-25 · 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{E7IXECOSFXRJOSLCFXEQDLCM7I}

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	2026-07-05T00:06:55.520885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27d17209d22de29749622dc901ac4cfa2b8053e9d54e2be391d2c686e54693e0

Aliases

arxiv: 1908.09267 · arxiv_version: 1908.09267v1 · doi: 10.48550/arxiv.1908.09267 · pith_short_12: E7IXECOSFXRJ · pith_short_16: E7IXECOSFXRJOSLC · pith_short_8: E7IXECOS

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/E7IXECOSFXRJOSLCFXEQDLCM7I \
  | 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: 27d17209d22de29749622dc901ac4cfa2b8053e9d54e2be391d2c686e54693e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c96492526373a602b3b2bfac70c8b865e1e81c040a55b3a7d8ecef9cc51778e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-25T07:44:41Z",
    "title_canon_sha256": "1f84784d60b5741e66837492394d511f057efe3d57fa1566cfcedb43fc6e437e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09267",
    "kind": "arxiv",
    "version": 1
  }
}