Pith Number

pith:YUUVQPOT

pith:2018:YUUVQPOTDE2QCT2JN3PKXH4TCP

not attested not anchored not stored refs pending

Is the macronova in GW170817 powered by the central engine?

Ehud Nakar, Kunihito Ioka, Shota Kisaka, Tatsuya Matsumoto

arxiv:1802.07732 v2 · 2018-02-21 · 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{YUUVQPOTDE2QCT2JN3PKXH4TCP}

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	2026-05-18T00:10:38.415272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c529583dd31935014f496edeab9f9313e19e4dbbafdab518dd8e29d81127cb5c

Aliases

arxiv: 1802.07732 · arxiv_version: 1802.07732v2 · doi: 10.48550/arxiv.1802.07732 · pith_short_12: YUUVQPOTDE2Q · pith_short_16: YUUVQPOTDE2QCT2J · pith_short_8: YUUVQPOT

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/YUUVQPOTDE2QCT2JN3PKXH4TCP \
  | 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: c529583dd31935014f496edeab9f9313e19e4dbbafdab518dd8e29d81127cb5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e381aae07c290dfc290953ce45ee47dc51ace0ecce8ce15b47fc5e90df13120",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-21T19:00:02Z",
    "title_canon_sha256": "13bf30b81e04b3251767e07f740b9f6eb973a07f3c7dde393478b153e3ba2fc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07732",
    "kind": "arxiv",
    "version": 2
  }
}