Pith Number

pith:UW3XKE7O

pith:2018:UW3XKE7ONDRWC6WOROEL3OUEPF

not attested not anchored not stored refs pending

An Effective Cosmological Constant From an Entropic Formulation of Gravity

I. D\'iaz-Salda\~na, J. L\'opez-Dom\'inguez, M. Sabido

arxiv:1806.04918 v1 · 2018-06-13 · gr-qc · astro-ph.CO · 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{UW3XKE7ONDRWC6WOROEL3OUEPF}

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	2026-05-18T00:13:16.920146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b77513ee68e3617ace8b88bdba84795977a68b7f16bb9014db6f30655ac46c

Aliases

arxiv: 1806.04918 · arxiv_version: 1806.04918v1 · doi: 10.48550/arxiv.1806.04918 · pith_short_12: UW3XKE7ONDRW · pith_short_16: UW3XKE7ONDRWC6WO · pith_short_8: UW3XKE7O

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/UW3XKE7ONDRWC6WOROEL3OUEPF \
  | 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: a5b77513ee68e3617ace8b88bdba84795977a68b7f16bb9014db6f30655ac46c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7f8a47b138b86cc5dc7ee86a48b1765e52a0f524fe56d4062cc353f34a756ba",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-06-13T09:36:33Z",
    "title_canon_sha256": "6c72ddc99fbbfedfad1e340a192a92c1e0b2e06574c2405fb94bf84826a4a35c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04918",
    "kind": "arxiv",
    "version": 1
  }
}