Pith Number

pith:2BOGCNBW

pith:2021:2BOGCNBW7FZSJRSEGLZFDHUS2Q

not attested not anchored not stored refs pending

I- A hydrodynamical CLONE of the Virgo cluster of galaxies to confirm observationally-driven formation scenarios

Alexander Knebe, Gustavo Yepes, Jenny G. Sorce, Jeremy Blaizot, Sean L. McGee, Yohan Dubois

arxiv:2104.13389 v1 · 2021-04-27 · 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{2BOGCNBW7FZSJRSEGLZFDHUS2Q}

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	2026-07-05T02:39:20.001177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d05c613436f97324c64432f2519e92d42d60c37ac58a794bb88545bb69dae9c1

Aliases

arxiv: 2104.13389 · arxiv_version: 2104.13389v1 · doi: 10.48550/arxiv.2104.13389 · pith_short_12: 2BOGCNBW7FZS · pith_short_16: 2BOGCNBW7FZSJRSE · pith_short_8: 2BOGCNBW

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/2BOGCNBW7FZSJRSEGLZFDHUS2Q \
  | 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: d05c613436f97324c64432f2519e92d42d60c37ac58a794bb88545bb69dae9c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d4d21b7fe56f227a8c08e4994b5f4e8ceec2afd180b425922f8ddda6a94e324",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-04-27T18:00:03Z",
    "title_canon_sha256": "e5602ddddbe4ce93c858e926c8dbbeb7f0b1f5165f82a3bcd89ffebf80dc0944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13389",
    "kind": "arxiv",
    "version": 1
  }
}