Pith Number

pith:MAG5YW5U

pith:2018:MAG5YW5U6UGPO33X72ZRCPJ3XR

not attested not anchored not stored refs pending

Cosmic clocks: A Tight Radius - Velocity Relationship for HI-Selected Galaxies

2), (2) ARC Centre of Excellence for All-sky Astrophysics, (3) National Astronomical Observatories, (4) Spitzer Science Center, California Institute of Technology), Chinese Academy of Sciences, Danail Obreschkow (1), D.J. Hanish (4) ((1) ICRAR / University of Western Australia, Fiona M. Audcent-Ross (1), Gerhardt R. Meurer (1), O. Ivy Wong (1, Zheng Zheng (3)

arxiv:1803.04716 v2 · 2018-03-13 · astro-ph.GA · 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{MAG5YW5U6UGPO33X72ZRCPJ3XR}

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	2026-05-18T00:20:23.784102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

600ddc5bb4f50cf76f77feb3113d3bbc5d3d578990c69619bf122f726cc45a93

Aliases

arxiv: 1803.04716 · arxiv_version: 1803.04716v2 · doi: 10.48550/arxiv.1803.04716 · pith_short_12: MAG5YW5U6UGP · pith_short_16: MAG5YW5U6UGPO33X · pith_short_8: MAG5YW5U

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/MAG5YW5U6UGPO33X72ZRCPJ3XR \
  | 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: 600ddc5bb4f50cf76f77feb3113d3bbc5d3d578990c69619bf122f726cc45a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64b6b00cec7138137c84e0aa88efe54f804a5914ba8136e045b93ed791847389",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-13T10:33:16Z",
    "title_canon_sha256": "57b059f27dd80b7f4653adf0f02e0d3a22f1e1e41cb72fec2913dbb98a033224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04716",
    "kind": "arxiv",
    "version": 2
  }
}