Pith Number

pith:XD7D5COE

pith:2018:XD7D5COELZSVWXW55IRDC6LM4Q

not attested not anchored not stored refs pending

The XMM-Newton serendipitous survey. VIII: The first XMM-Newton serendipitous source catalogue from overlapping observations

A. D. Schwope, C. Motch, F. Carrera, F. Koliopanos, G. Lamer, I. Traulsen, J. Ballet, J. Kurpas, L. Michel, M. Coriat, M. G. Watson, M. J. Freyberg, M. Page, M. T. Ceballos, N. Webb, S. R. Rosen

arxiv:1807.09178 v2 · 2018-07-24 · 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{XD7D5COELZSVWXW55IRDC6LM4Q}

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	2026-05-17T23:48:23.829147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8fe3e89c45e655b5eddea2231796ce4251dca94f40b359884401b173e399df3

Aliases

arxiv: 1807.09178 · arxiv_version: 1807.09178v2 · doi: 10.48550/arxiv.1807.09178 · pith_short_12: XD7D5COELZSV · pith_short_16: XD7D5COELZSVWXW5 · pith_short_8: XD7D5COE

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/XD7D5COELZSVWXW55IRDC6LM4Q \
  | 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: b8fe3e89c45e655b5eddea2231796ce4251dca94f40b359884401b173e399df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5bb2b8238834b616803c33497a8ee30bd16e0e1a6168da3da76acef8117a6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-24T15:27:15Z",
    "title_canon_sha256": "2a1d32a63aa6ad1e7a7742919f954a913622ceed258d99b39611f306400bcae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09178",
    "kind": "arxiv",
    "version": 2
  }
}