Pith Number

pith:2SAURTPL

pith:2020:2SAURTPLH3IQ2DAVU6C33HZG2Q

not attested not anchored not stored refs pending

GW190521 from the Merger of Ultra-Dwarf Galaxies

Antonella Palmese, Christopher J. Conselice

arxiv:2009.10688 v1 · 2020-09-22 · astro-ph.GA · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SAURTPLH3IQ2DAVU6C33HZG2Q}

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	2026-07-05T02:39:35.634450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d48148cdeb3ed10d0c15a785bd9f26d40a1b58081d3841ca91a097b49c610b4c

Aliases

arxiv: 2009.10688 · arxiv_version: 2009.10688v1 · doi: 10.48550/arxiv.2009.10688 · pith_short_12: 2SAURTPLH3IQ · pith_short_16: 2SAURTPLH3IQ2DAV · pith_short_8: 2SAURTPL

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/2SAURTPLH3IQ2DAVU6C33HZG2Q \
  | 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: d48148cdeb3ed10d0c15a785bd9f26d40a1b58081d3841ca91a097b49c610b4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "828ed8d1af4343b95218923afe13aee4a4560e13e7b40278151758be911f698b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-22T17:03:09Z",
    "title_canon_sha256": "c4529c8395ac62eb40e9c6bd09f0301ecb23a0b6383e17caac71ceb3abd6a102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.10688",
    "kind": "arxiv",
    "version": 1
  }
}