Pith Number

pith:GEEMQXQH

pith:2018:GEEMQXQHDDJOJL2DNUDAYQSL2H

not attested not anchored not stored refs pending

Extragalactic Proper Motions: Gravitational Waves and Cosmology

Alexandra Truebenbach, Jennie Paine, Jeremy Darling

arxiv:1807.06670 v2 · 2018-07-17 · 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{GEEMQXQHDDJOJL2DNUDAYQSL2H}

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	2026-05-18T00:03:24.276551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3108c85e0718d2e4af436d060c424bd1c82571abf6129494f75bbb72f666baf0

Aliases

arxiv: 1807.06670 · arxiv_version: 1807.06670v2 · doi: 10.48550/arxiv.1807.06670 · pith_short_12: GEEMQXQHDDJO · pith_short_16: GEEMQXQHDDJOJL2D · pith_short_8: GEEMQXQH

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/GEEMQXQHDDJOJL2DNUDAYQSL2H \
  | 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: 3108c85e0718d2e4af436d060c424bd1c82571abf6129494f75bbb72f666baf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1332897ea615fcde073c158b896713e0e00d5f639618aa90e89590febe893cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-17T20:54:53Z",
    "title_canon_sha256": "c5fd59a99648a486e665707a8a7ddb5103e32d459fdfed88894beb92851c654b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06670",
    "kind": "arxiv",
    "version": 2
  }
}