Pith Number

pith:Y75MY47M

pith:2014:Y75MY47MA6SI235RCTYXW7GLB2

not attested not anchored not stored refs pending

The spin of the black hole 4U 1543-47

J. M. Miller (University of Michigan), W. R. Morningstar

arxiv:1408.7028 v1 · 2014-08-29 · 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{Y75MY47MA6SI235RCTYXW7GLB2}

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	2026-05-18T01:42:11.845359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7facc73ec07a48d6fb114f17b7ccb0e81cf08c499908829d78c7a5a00fd0220

Aliases

arxiv: 1408.7028 · arxiv_version: 1408.7028v1 · doi: 10.48550/arxiv.1408.7028 · pith_short_12: Y75MY47MA6SI · pith_short_16: Y75MY47MA6SI235R · pith_short_8: Y75MY47M

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/Y75MY47MA6SI235RCTYXW7GLB2 \
  | 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: c7facc73ec07a48d6fb114f17b7ccb0e81cf08c499908829d78c7a5a00fd0220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb742a8ca70bf7e6d109952c76e7ee096a3ab064214d4d689c7461f9bb2f18ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-08-29T14:18:46Z",
    "title_canon_sha256": "8390988190aebf12ee09ecd7cfee1b424f139702ed82fed3be6d210d392f0d60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.7028",
    "kind": "arxiv",
    "version": 1
  }
}