Pith Number

pith:HAG5GYEO

pith:2021:HAG5GYEOKJBMDMQY35K627EXXY

not attested not anchored not stored refs pending

SkyPy: A package for modelling the Universe

Adam Amara, Andrew Lundgren, Andrew R. Williamson, Arthur E. Tolley, Brian Nord, Coleman Krawczyk, Ginevra Favole, Ian Harrison, Ian W.Harry, Juan Pablo Cordero, Keiichi Umetsu, Laura K. Nuttall, Laura Wolz, Lucia F. de la Bella, Nicolas Tessore, Philipp Sudek, Richard P. Rollins, Sarah Bridle, Simon Birrer, Sut-Ieng Tam, William G. Hartley

arxiv:2109.06172 v1 · 2021-09-11 · astro-ph.IM · 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{HAG5GYEOKJBMDMQY35K627EXXY}

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.

Cited by

2 papers in Pith

Strong Lensing Tomography: Double and pseudo multi-source plane strong gravitational lensing to constrain dark energy

Machine Learning Techniques for Astrophysics and Cosmology: Photometric Redshifts

Receipt and verification

First computed	2026-07-05T03:13:51.414024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

380dd3608e5242c1b218df55ed7c97be10057a48b03ed3413f85041f7563307d

Aliases

arxiv: 2109.06172 · arxiv_version: 2109.06172v1 · doi: 10.48550/arxiv.2109.06172 · pith_short_12: HAG5GYEOKJBM · pith_short_16: HAG5GYEOKJBMDMQY · pith_short_8: HAG5GYEO

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/HAG5GYEOKJBMDMQY35K627EXXY \
  | 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: 380dd3608e5242c1b218df55ed7c97be10057a48b03ed3413f85041f7563307d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c02cb1f7c3f8c3ba677db4554fc1c32e99470cf886d675744ba1e4a81fe4c7b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-11T09:12:29Z",
    "title_canon_sha256": "7a149531b5587ee460fb3702abe701526e1e78fdfd5f1c59085e476f7302db9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06172",
    "kind": "arxiv",
    "version": 1
  }
}