Pith Number

pith:EJ7WQQUA

pith:2015:EJ7WQQUAFNBUUUG7QYTCBALGX4

not attested not anchored not stored refs pending

The alignment of galaxy spin with the shear field in observations

Elmo Tempel, Helene M. Courtois, Isha Pahwa, Jenny G. Sorce, Matthias Steinmetz, Noam I. Libeskind, R. Brent Tully, Stefan Gottl\"ober, Yehuda Hoffman

arxiv:1512.02236 v2 · 2015-12-07 · 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{EJ7WQQUAFNBUUUG7QYTCBALGX4}

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	2026-05-18T01:22:00.173516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227f6842802b434a50df8626208166bf18d9bb3c446807e84dd62f406c6b5919

Aliases

arxiv: 1512.02236 · arxiv_version: 1512.02236v2 · doi: 10.48550/arxiv.1512.02236 · pith_short_12: EJ7WQQUAFNBU · pith_short_16: EJ7WQQUAFNBUUUG7 · pith_short_8: EJ7WQQUA

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/EJ7WQQUAFNBUUUG7QYTCBALGX4 \
  | 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: 227f6842802b434a50df8626208166bf18d9bb3c446807e84dd62f406c6b5919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5fd4e27c81ec50235a653fcc307ce9bfa077e5cc2384ac88b99a6a1680b734",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-12-07T21:00:58Z",
    "title_canon_sha256": "b65d37175a2031219551c9e71358ff7675526333eef1b7dede3f9c9f2d397b9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02236",
    "kind": "arxiv",
    "version": 2
  }
}