Pith Number

pith:45V7LWZQ

pith:2018:45V7LWZQ5LBQZXKCLA25BGDVCD

not attested not anchored not stored refs pending

Spitzer Space Telescope Infrared Observations of the Binary Neutron Star Merger GW170817

B. D. Metzger, E. Berger, G. G. Fazio, J. Guillochon, J. L. Hora, K. D. Alexander, M. Nicholl, P. K. Blanchard, P. K. G. Williams, P. S. Cowperthwaite, R. Chornock, R. Margutti, S. Gomez, T. Eftekhari, V. A. Villar

arxiv:1805.08192 v1 · 2018-05-21 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45V7LWZQ5LBQZXKCLA25BGDVCD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:08:41.641162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e76bf5db30eac30cdd425835d0987510d73c75faa7a6ac74203fd3991c888518

Aliases

arxiv: 1805.08192 · arxiv_version: 1805.08192v1 · doi: 10.48550/arxiv.1805.08192 · pith_short_12: 45V7LWZQ5LBQ · pith_short_16: 45V7LWZQ5LBQZXKC · pith_short_8: 45V7LWZQ

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/45V7LWZQ5LBQZXKCLA25BGDVCD \
  | 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: e76bf5db30eac30cdd425835d0987510d73c75faa7a6ac74203fd3991c888518

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "433bc492fb7d2e7d2b632c2e1dbe03df59e40176c95e5f6bc9cb0678ae7f8b6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-21T17:23:46Z",
    "title_canon_sha256": "53e0ef58e233a90a407a7af637ef3c99a8e6483f7b55ec1ba7d9e438b5e59414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08192",
    "kind": "arxiv",
    "version": 1
  }
}