Pith Number

pith:JLU64SDR

pith:2020:JLU64SDRW2O3O3YIDKYIUNCIHG

not attested not anchored not stored refs pending

A Standard Siren Cosmological Measurement from the Potential GW190521 Electromagnetic Counterpart ZTF19abanrhr

Carl-Johan Haster, Hsin-Yu Chen, Maximiliano Isi, Salvatore Vitale, Will M. Farr

arxiv:2009.14057 v2 · 2020-09-29 · 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{JLU64SDRW2O3O3YIDKYIUNCIHG}

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	2026-07-05T04:20:42.121221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ae9ee4871b69db76f081ab08a344839bb9af0896cfe669d466918e0f8e7cd01

Aliases

arxiv: 2009.14057 · arxiv_version: 2009.14057v2 · doi: 10.48550/arxiv.2009.14057 · pith_short_12: JLU64SDRW2O3 · pith_short_16: JLU64SDRW2O3O3YI · pith_short_8: JLU64SDR

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/JLU64SDRW2O3O3YIDKYIUNCIHG \
  | 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: 4ae9ee4871b69db76f081ab08a344839bb9af0896cfe669d466918e0f8e7cd01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faf811508ae11974be5ce096eaf9247d52b9d3d2f4800c38187986da3033b559",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-09-29T14:46:20Z",
    "title_canon_sha256": "b2ed801d82701050dd7484d6d0e7d0f573b13270ba6f1f87b6d66fbadb138c1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14057",
    "kind": "arxiv",
    "version": 2
  }
}