Pith Number

pith:GFQ7XP4E

pith:2016:GFQ7XP4E4ZRQ73PH7U6ZMJYT4T

not attested not anchored not stored refs pending

The Morphologies and Alignments of Gas, Mass, and the Central Galaxies of CLASH Clusters of Galaxies

Adi Zitrin, Alessandro Baldi, Anton Koekemoer, Elena Rasia, G. Mark Voit, Gustavo Yepes, Jack Sayers, Marc Postman, Massimo Meneghetti, Megan Donahue, Nicole Czakon, Stefano Ettori, Sunil Golwala

arxiv:1601.04947 v1 · 2016-01-19 · 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{GFQ7XP4E4ZRQ73PH7U6ZMJYT4T}

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	2026-05-18T01:19:01.295375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3161fbbf84e6630fede7fd3d962713e4e16299d639159fa4916c73d61452b34e

Aliases

arxiv: 1601.04947 · arxiv_version: 1601.04947v1 · doi: 10.48550/arxiv.1601.04947 · pith_short_12: GFQ7XP4E4ZRQ · pith_short_16: GFQ7XP4E4ZRQ73PH · pith_short_8: GFQ7XP4E

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/GFQ7XP4E4ZRQ73PH7U6ZMJYT4T \
  | 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: 3161fbbf84e6630fede7fd3d962713e4e16299d639159fa4916c73d61452b34e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69ba6e80b29489a39b84df98310890c72387476a38edb8205613d9333d03801c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-01-19T15:00:59Z",
    "title_canon_sha256": "3c692fe78421d4a0a83176e9d65cb63fa1c7444fb9f0375003bc1ad1160a55b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04947",
    "kind": "arxiv",
    "version": 1
  }
}