Pith Number

pith:SEDWAKQF

pith:2018:SEDWAKQF2ZIE4LI5DDB2HSSFM4

not attested not anchored not stored refs pending

An application of machine learning techniques to galaxy cluster mass estimation using the MACSIS simulations

David J. Barnes, Scott T. Kay, Thomas J. Armitage

arxiv:1810.08430 v1 · 2018-10-19 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEDWAKQF2ZIE4LI5DDB2HSSFM4}

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	2026-05-17T23:56:17.415491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9107602a05d6504e2d1d18c3a3ca456731a5a472d560a5e9ffe0a9c6cd6ef874

Aliases

arxiv: 1810.08430 · arxiv_version: 1810.08430v1 · doi: 10.48550/arxiv.1810.08430 · pith_short_12: SEDWAKQF2ZIE · pith_short_16: SEDWAKQF2ZIE4LI5 · pith_short_8: SEDWAKQF

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/SEDWAKQF2ZIE4LI5DDB2HSSFM4 \
  | 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: 9107602a05d6504e2d1d18c3a3ca456731a5a472d560a5e9ffe0a9c6cd6ef874

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f42344fe38368b8118244b276a47e1b47f496f8e908c7c43e6124e7dedc5e5a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-10-19T10:16:46Z",
    "title_canon_sha256": "579ae5a532cf09583510da6b0685f5c3f3161b5377a6ccaa5f177173481d1030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08430",
    "kind": "arxiv",
    "version": 1
  }
}