Pith Number

pith:ABMKYZCD

pith:2015:ABMKYZCDG6ULAXAIVKOTPIQ6KE

not attested not anchored not stored refs pending

Low red-shift effects of local structure on the Hubble parameter in presence of a cosmological constant

Antonio Enea Romano, Sergio Andres Vallejo

arxiv:1502.07672 v4 · 2015-02-25 · 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{ABMKYZCDG6ULAXAIVKOTPIQ6KE}

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	2026-05-18T01:10:20.415414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0058ac644337a8b05c08aa9d37a21e5107eb6dec776d8d2f9be68fdc86ba1d86

Aliases

arxiv: 1502.07672 · arxiv_version: 1502.07672v4 · doi: 10.48550/arxiv.1502.07672 · pith_short_12: ABMKYZCDG6UL · pith_short_16: ABMKYZCDG6ULAXAI · pith_short_8: ABMKYZCD

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/ABMKYZCDG6ULAXAIVKOTPIQ6KE \
  | 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: 0058ac644337a8b05c08aa9d37a21e5107eb6dec776d8d2f9be68fdc86ba1d86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74edc3dc931e83a08fa3f2d1b94b29a3586bf8c12c7e6e4509b9d7771277ce00",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-25T01:24:52Z",
    "title_canon_sha256": "6cd91ef3e4e1b36da577fa9439a21118a625c45ce79990562861a1f53e54901e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07672",
    "kind": "arxiv",
    "version": 4
  }
}