Pith Number

pith:POPIP657

pith:2020:POPIP657DYO7QCSGGFQFR34TDM

not attested not anchored not stored refs pending

Simulations of gas sloshing induced by a newly discovered gas poor substructure in galaxy cluster Abell 1644

E.S. Cypriano, G.B. Lima Neto, L. Doubrawa, R.E.G. Machado, R. Monteiro-Oliveira, T.F. Lagan\'a

arxiv:2004.13660 v2 · 2020-04-28 · astro-ph.GA · 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{POPIP657DYO7QCSGGFQFR34TDM}

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	2026-07-05T01:06:21.557069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b9e87fbbf1e1df80a46316058ef931b393e3e1bdd5bd3645d75a8e026770c6f

Aliases

arxiv: 2004.13660 · arxiv_version: 2004.13660v2 · doi: 10.48550/arxiv.2004.13660 · pith_short_12: POPIP657DYO7 · pith_short_16: POPIP657DYO7QCSG · pith_short_8: POPIP657

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/POPIP657DYO7QCSGGFQFR34TDM \
  | 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: 7b9e87fbbf1e1df80a46316058ef931b393e3e1bdd5bd3645d75a8e026770c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6f1086d72800a3125f4646fff3c0a0952b8e091a30c3e59018034c182c09c9a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-28T17:05:15Z",
    "title_canon_sha256": "2d63b269a009e6524510b5537050bf4879f95e27c6b041d5c4b80956fc3e853e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13660",
    "kind": "arxiv",
    "version": 2
  }
}