Pith Number

pith:VDHOBHHP

pith:2016:VDHOBHHPQFXIQVMDFM7KALOMT5

not attested not anchored not stored refs pending

No Signatures of Black-Hole Spin in the X-ray Spectrum of the Seyfert 1 Galaxy Fairall 9

Alexis Scholtes, Malachi M. Tatum, Max Trevor, Tahir Yaqoob, Tracey Jane Turner

arxiv:1607.07125 v1 · 2016-07-25 · 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{VDHOBHHPQFXIQVMDFM7KALOMT5}

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.

Cited by

1 paper in Pith

HALO II: Constraining Hubble constant $H_{0}$ through continuum delay fitting of Fairall 9

Receipt and verification

First computed	2026-05-18T01:04:18.017784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8cee09cef816e8855832b3ea02dcc9f72fff8d7513b3ba3519fdc87a7bd3915

Aliases

arxiv: 1607.07125 · arxiv_version: 1607.07125v1 · doi: 10.48550/arxiv.1607.07125 · pith_short_12: VDHOBHHPQFXI · pith_short_16: VDHOBHHPQFXIQVMD · pith_short_8: VDHOBHHP

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/VDHOBHHPQFXIQVMDFM7KALOMT5 \
  | 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: a8cee09cef816e8855832b3ea02dcc9f72fff8d7513b3ba3519fdc87a7bd3915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3385b0fa9f62ce0379cccf7a9a1599d4c6974fe1c47ad98bbf2b554c92be4781",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-07-25T01:29:58Z",
    "title_canon_sha256": "d72a50c738d24f3e6d917f73ea8c46a2f080ba5bad00c9a3af569abff214aaf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07125",
    "kind": "arxiv",
    "version": 1
  }
}