Pith Number

pith:VDRX5BIE

pith:2019:VDRX5BIEYA6WABTPTN4FDTVS4F

not attested not anchored not stored refs pending

Using machine learning for transient classification in searches for gravitational-wave counterparts

Cosmin Stachie, Daniel Muthukrishna, Michael W. Coughlin, Nelson Christensen

arxiv:1912.06383 v2 · 2019-12-13 · astro-ph.HE · astro-ph.IM · 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{VDRX5BIEYA6WABTPTN4FDTVS4F}

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	2026-07-05T01:14:33.247739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8e37e8504c03d60066f9b7851ceb2e163cdc0b81cfa1b181cd67da0615a20a9

Aliases

arxiv: 1912.06383 · arxiv_version: 1912.06383v2 · doi: 10.48550/arxiv.1912.06383 · pith_short_12: VDRX5BIEYA6W · pith_short_16: VDRX5BIEYA6WABTP · pith_short_8: VDRX5BIE

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/VDRX5BIEYA6WABTPTN4FDTVS4F \
  | 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: a8e37e8504c03d60066f9b7851ceb2e163cdc0b81cfa1b181cd67da0615a20a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3306de65cb8933d26aa8383b9f36646d51c733cadda20fe7117252340e9c121f",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-12-13T10:06:41Z",
    "title_canon_sha256": "1c6829288747c97efcca4049c8000190d1f1fe5db9ebdaf0394e86adaee5eeef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06383",
    "kind": "arxiv",
    "version": 2
  }
}