Pith Number

pith:QLZBXBOJ

pith:2011:QLZBXBOJR6PYBDAPNNW23GBXYC

not attested not anchored not stored refs pending

1H0707-495 in 2011: An X-ray source within a gravitational radius of the event horizon

A.C. Fabian, A. Zoghbi, D. Grupe, D. Wilkins, G.Miniutti, L. Gallo, M. Santos-Lleo, N. Schartel, P. Uttley, S. Komossa, T. Dwelly

arxiv:1108.5988 v1 · 2011-08-30 · astro-ph.HE

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:00:44.641564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f21b85c98f9f808c0f6b6dad9837c09a7b27fc041023dcd8c0269c4b0b4cd3

Aliases

arxiv: 1108.5988 · arxiv_version: 1108.5988v1 · doi: 10.48550/arxiv.1108.5988

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/QLZBXBOJR6PYBDAPNNW23GBXYC \
  | 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: 82f21b85c98f9f808c0f6b6dad9837c09a7b27fc041023dcd8c0269c4b0b4cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0811046cb9e8ebf7738e07e070fe729b38bbe6d4f189bb13a4c53b8d9473f2a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-30T15:48:41Z",
    "title_canon_sha256": "98fb99882c2814693743443afb08bfd00ee65342715ea4db7897d368bfc31546"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5988",
    "kind": "arxiv",
    "version": 1
  }
}