Pith Number

pith:5EFWWF2F

pith:2015:5EFWWF2FR25ZEKDCSWROSJ3NLV

not attested not anchored not stored refs pending

A search for hyperluminous X-ray sources in the XMM-Newton source catalog

1), 1) ((1) CNRS, 2), (2) Sternberg Astronomical Institute, (3) UPS-OMP, (4) INAF/Osservatorio Astronomico di Cagliari, Didier Barret (3, France, IRAP, Italy), Ivan Zolotukhin (1, Matteo Bachetti (4), Moscow, Natalie A. Webb (3, Olivier Godet (3, Russia, Toulouse

arxiv:1511.06765 v1 · 2015-11-20 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EFWWF2FR25ZEKDCSWROSJ3NLV}

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	2026-05-18T01:21:51.662887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e90b6b17458ebb92286295a2e9276d5d41a9c1c41b6ea7ffd53ec26508a89e5a

Aliases

arxiv: 1511.06765 · arxiv_version: 1511.06765v1 · doi: 10.48550/arxiv.1511.06765 · pith_short_12: 5EFWWF2FR25Z · pith_short_16: 5EFWWF2FR25ZEKDC · pith_short_8: 5EFWWF2F

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/5EFWWF2FR25ZEKDCSWROSJ3NLV \
  | 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: e90b6b17458ebb92286295a2e9276d5d41a9c1c41b6ea7ffd53ec26508a89e5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081c993063a8f7a6bcedfd5a2843ab8d49390b732aa688c88d086985eb8936b2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-11-20T21:00:05Z",
    "title_canon_sha256": "8695bdf1fd5ebd785a42f0061027ab83bb16f33a4db5b1ec327edec1ade2799e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06765",
    "kind": "arxiv",
    "version": 1
  }
}