Pith Number

pith:4EWURTIE

pith:2016:4EWURTIEVZVL2UFPV74BNCQSLJ

not attested not anchored not stored refs pending

The XMM Cluster Outskirts Project (X-COP)

C. Tchernin, D. Eckert, E. Pointecouteau, S. Ettori, S. Molendi, S. Paltani

arxiv:1611.05051 v1 · 2016-11-15 · astro-ph.CO · astro-ph.GA · 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{4EWURTIEVZVL2UFPV74BNCQSLJ}

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	2026-05-18T00:44:47.352305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12d48cd04ae6abd50afaff8168a125a4552613e4f7db01cbfc3c5e01d0c6c6a

Aliases

arxiv: 1611.05051 · arxiv_version: 1611.05051v1 · doi: 10.48550/arxiv.1611.05051 · pith_short_12: 4EWURTIEVZVL · pith_short_16: 4EWURTIEVZVL2UFP · pith_short_8: 4EWURTIE

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/4EWURTIEVZVL2UFPV74BNCQSLJ \
  | 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: e12d48cd04ae6abd50afaff8168a125a4552613e4f7db01cbfc3c5e01d0c6c6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4d41bacb27db42873190de15f44c353e79fb82e5a8da710297ac37219a54c96",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-11-15T21:01:17Z",
    "title_canon_sha256": "e1984e84a3ee59cef2d63f45a43dd6b16b5ba9618281dc6801f0419f1e25414f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05051",
    "kind": "arxiv",
    "version": 1
  }
}