Pith Number

pith:S62NIJ3Q

pith:2023:S62NIJ3QRTU6EDNPKQURV4CSPB

not attested not anchored not stored refs pending

The Spin of a Newborn Black Hole: Swift J1728.9-3613

Abderahmen Zoghbi, Andrew C. Fabian, Edward Cackett, James C. A. Miller-Jones, John C. Raymond, Jon M. Miller, Mark Reynolds, Mason Ng, Mayura Balakrishnan, Paul A. Draghis

arxiv:2303.04164 v1 · 2023-03-07 · 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{S62NIJ3QRTU6EDNPKQURV4CSPB}

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	2026-07-05T06:04:10.684451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97b4d427708ce9e20daf54291af052784d6c6d519cdd19878945c160233f34f7

Aliases

arxiv: 2303.04164 · arxiv_version: 2303.04164v1 · doi: 10.48550/arxiv.2303.04164 · pith_short_12: S62NIJ3QRTU6 · pith_short_16: S62NIJ3QRTU6EDNP · pith_short_8: S62NIJ3Q

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/S62NIJ3QRTU6EDNPKQURV4CSPB \
  | 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: 97b4d427708ce9e20daf54291af052784d6c6d519cdd19878945c160233f34f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c3a599e357f873c4a86975981b5c9468b1ac010623cabb50d8cb0d862800da8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-03-07T19:00:01Z",
    "title_canon_sha256": "7b4dbc0505255432c1db714acbada9cdac4f3865142398331e045a9df2af6116"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.04164",
    "kind": "arxiv",
    "version": 1
  }
}