Pith Number

pith:KEUCQGGQ

pith:2017:KEUCQGGQIHRL2BPXAJLRXY6YDA

not attested not anchored not stored refs pending

The XMM deep survey in the CDF-S. X. X-ray variability of bright sources

A. Comastri, C. Vignali, F. J. Carrera, I. Georgantopoulos, K. Iwasawa, M. Paolillo, P. Ranalli, R. Gilli, S. Falocco

arxiv:1709.10290 v1 · 2017-09-29 · 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{KEUCQGGQIHRL2BPXAJLRXY6YDA}

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

Strong X-ray Variability of I Zwicky 1: Obscuration from Clumpy Accretion-Disk Winds

Receipt and verification

First computed	2026-05-18T00:28:44.361094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51282818d041e2bd05f702571be3d81818013ae38b86a5dc08a84a2975cc1cd9

Aliases

arxiv: 1709.10290 · arxiv_version: 1709.10290v1 · doi: 10.48550/arxiv.1709.10290 · pith_short_12: KEUCQGGQIHRL · pith_short_16: KEUCQGGQIHRL2BPX · pith_short_8: KEUCQGGQ

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/KEUCQGGQIHRL2BPXAJLRXY6YDA \
  | 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: 51282818d041e2bd05f702571be3d81818013ae38b86a5dc08a84a2975cc1cd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bbf886d685c34293fa3a64189ed545d8981dc3488370a43561b56178bd220f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-09-29T09:06:22Z",
    "title_canon_sha256": "119baf4d133447c5e98d5996e372b8ac86abc3dd1a37a4ed0d31aea327ede009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10290",
    "kind": "arxiv",
    "version": 1
  }
}