Pith Number

pith:SCZK4SFQ

pith:2018:SCZK4SFQYP4XXUGFF4C62TYL4P

not attested not anchored not stored refs pending

Black Hole Formation in Fallback Supernova and the Spins of LIGO Sources

Aldo Batta, Enrico Ramirez-Ruiz, Sophie L. Schr{\o}der

arxiv:1805.01269 v1 · 2018-05-03 · 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{SCZK4SFQYP4XXUGFF4C62TYL4P}

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	2026-05-18T00:09:24.924195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b2ae48b0c3f97bd0c52f05ed4f0be3fd360b2fd11bd2093491bd011260fbfd

Aliases

arxiv: 1805.01269 · arxiv_version: 1805.01269v1 · doi: 10.48550/arxiv.1805.01269 · pith_short_12: SCZK4SFQYP4X · pith_short_16: SCZK4SFQYP4XXUGF · pith_short_8: SCZK4SFQ

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/SCZK4SFQYP4XXUGFF4C62TYL4P \
  | 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: 90b2ae48b0c3f97bd0c52f05ed4f0be3fd360b2fd11bd2093491bd011260fbfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c5e93422332d36963346c39c1b120f15dc59bbf94540d1ff4b57879f820fd11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-03T12:52:36Z",
    "title_canon_sha256": "2bcf43cdea9d0db1228a775bd15705d7536c713793c946068421a9bf1676caea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01269",
    "kind": "arxiv",
    "version": 1
  }
}