Pith Number

pith:WDI4QT5B

pith:2017:WDI4QT5BOBTKIQOK7L7OVQ7DYW

not attested not anchored not stored refs pending

Peering beyond the horizon with standard sirens and redshift drift

2), (2) ICREA, (3) Universit\`a di Padova, 4, (4) INFN Padova, 5, (5) INAF Padova, 6) ((1) ICC Barcelona, (6) GSSI), Alvise Raccanelli (1), Licia Verde (1, Raul Jimenez (1, Sabino Matarrese (3

arxiv:1711.07984 v2 · 2017-11-21 · 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{WDI4QT5BOBTKIQOK7L7OVQ7DYW}

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	2026-05-17T23:48:46.027196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0d1c84fa17066a441cafafeeac3e3c589ece796f5411c3c2710b4f49c8b33b8

Aliases

arxiv: 1711.07984 · arxiv_version: 1711.07984v2 · doi: 10.48550/arxiv.1711.07984 · pith_short_12: WDI4QT5BOBTK · pith_short_16: WDI4QT5BOBTKIQOK · pith_short_8: WDI4QT5B

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/WDI4QT5BOBTKIQOK7L7OVQ7DYW \
  | 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: b0d1c84fa17066a441cafafeeac3e3c589ece796f5411c3c2710b4f49c8b33b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "054c05dcbfa2ba1e6703d4b027ec8400b0a488703b47ee0e81e91ccaee96413a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-11-21T19:00:02Z",
    "title_canon_sha256": "bb2e1734016d75f981ef067dbee39cf1f2250a1cbf6babb197198003948a440f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07984",
    "kind": "arxiv",
    "version": 2
  }
}