Pith Number

pith:44QARQBQ

pith:2021:44QARQBQQQJYI47WUBPRSPE2KC

not attested not anchored not stored refs pending

A strong lensing model of the galaxy cluster PSZ1 G311.65-18.48

A. Mercurio, C. Grillo, E. Vanzella, F. Calura, G. Angora, G.B. Caminha, G. Brammer, G.V. Pignataro, M. Meneghetti, M. Nonino, P. Bergamini, P. Rosati, P. Tozzi

arxiv:2106.10286 v1 · 2021-06-18 · 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{44QARQBQQQJYI47WUBPRSPE2KC}

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	2026-07-05T03:34:27.559149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e72008c03084138473f6a05f193c9a50a28500c6777cbc4b19e899f9d9a24aef

Aliases

arxiv: 2106.10286 · arxiv_version: 2106.10286v1 · doi: 10.48550/arxiv.2106.10286 · pith_short_12: 44QARQBQQQJY · pith_short_16: 44QARQBQQQJYI47W · pith_short_8: 44QARQBQ

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/44QARQBQQQJYI47WUBPRSPE2KC \
  | 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: e72008c03084138473f6a05f193c9a50a28500c6777cbc4b19e899f9d9a24aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b122a4d7b4a7c0f91e12d650d979f3679f73232265580ebbf103905447732f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-18T18:00:02Z",
    "title_canon_sha256": "222c17c5f0e4116bd8f85a98392303b1c45f6fd05d2f1aba7211771b3af4986a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10286",
    "kind": "arxiv",
    "version": 1
  }
}