Pith Number

pith:NZBT4KZ7

pith:2021:NZBT4KZ7SLPAOXYGUFJNUWAMW4

not attested not anchored not stored refs pending

GWSkyNet-Multi: A Machine Learning Multi-Class Classifier for LIGO-Virgo Public Alerts

Ashish Mahabal, Daryl Haggard, Eitan Buffaz, Jess McIver, Miriam Cabero, Nicholas Vieira, Thomas C. Abbott

arxiv:2111.04015 v1 · 2021-11-07 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZBT4KZ7SLPAOXYGUFJNUWAMW4}

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	2026-07-05T04:09:40.189415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e433e2b3f92de075f06a152da580cb7153cd7adc4835004a6082999118cfb31

Aliases

arxiv: 2111.04015 · arxiv_version: 2111.04015v1 · doi: 10.48550/arxiv.2111.04015 · pith_short_12: NZBT4KZ7SLPA · pith_short_16: NZBT4KZ7SLPAOXYG · pith_short_8: NZBT4KZ7

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/NZBT4KZ7SLPAOXYGUFJNUWAMW4 \
  | 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: 6e433e2b3f92de075f06a152da580cb7153cd7adc4835004a6082999118cfb31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "198a15eda516f3b80f0b176537d88b7021d2d1a5ca948daec6462e4a7f099d51",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-11-07T06:58:36Z",
    "title_canon_sha256": "385e96e6793d71c53d4754ea1bb74c3aa33ef581e41f2ba4a53f50066eb4dce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04015",
    "kind": "arxiv",
    "version": 1
  }
}