Pith Number

pith:PSIAOPMK

pith:2021:PSIAOPMK5YVGWYI25N77D6BA3N

not attested not anchored not stored refs pending

GW190521 formation via three-body encounters in young massive star clusters

Alessandro Ballone, Filippo Santoliquido, Manuel Arca Sedda, Marco Dall'Amico, Michela Mapelli, Sara Rastello, Ugo N. di Carlo, Yann Bouffanais

arxiv:2105.12757 v2 · 2021-05-26 · astro-ph.HE · astro-ph.SR · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSIAOPMK5YVGWYI25N77D6BA3N}

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	2026-07-05T03:26:41.478574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c90073d8aee2a6b611aeb7ff1f820db53f25252b0f311f4fef128ccc98f318e

Aliases

arxiv: 2105.12757 · arxiv_version: 2105.12757v2 · doi: 10.48550/arxiv.2105.12757 · pith_short_12: PSIAOPMK5YVG · pith_short_16: PSIAOPMK5YVGWYI2 · pith_short_8: PSIAOPMK

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/PSIAOPMK5YVGWYI25N77D6BA3N \
  | 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: 7c90073d8aee2a6b611aeb7ff1f820db53f25252b0f311f4fef128ccc98f318e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ebd5ba22391452ae9b861f54feb2ece9bcc7a00e1a64b6d388b801f52d7fda8",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-05-26T18:01:42Z",
    "title_canon_sha256": "cd2ea6a34ffa6454e79aa2d8d47128e8f2793384defe1ec122e57b9c32102b49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.12757",
    "kind": "arxiv",
    "version": 2
  }
}