Pith Number

pith:5M6GKILH

pith:1997:5M6GKILHNCY4WXFBUNVXED2ITQ

not attested not anchored not stored refs pending

An X-ray Cluster at Redshift 2.156?

C.L. Carilli (NRAO), D.E. Harris (SAO), G.K. Miley, H.J.A. Rottgering, L. Pentericci, M.N. Bremer (Leiden)

arxiv:astro-ph/9712253 v1 · 1997-12-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5M6GKILHNCY4WXFBUNVXED2ITQ}

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	2026-05-18T01:40:14.657395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb3c65216768b1cb5ca1a36b720f489c3704b9aee31dfe8cc680734546ddaa0b

Aliases

arxiv: astro-ph/9712253 · arxiv_version: astro-ph/9712253v1 · doi: 10.48550/arxiv.astro-ph/9712253 · pith_short_12: 5M6GKILHNCY4 · pith_short_16: 5M6GKILHNCY4WXFB · pith_short_8: 5M6GKILH

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/5M6GKILHNCY4WXFBUNVXED2ITQ \
  | 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: eb3c65216768b1cb5ca1a36b720f489c3704b9aee31dfe8cc680734546ddaa0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8052e622ff6aec0e49f9d66e7da627923dbcab8959f9259e33988a1ca670954b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-12-18T17:14:54Z",
    "title_canon_sha256": "102258510d2e646e2f5c88e7dd5eb2c3202da53a52d0ddfa3a381399ad82284f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9712253",
    "kind": "arxiv",
    "version": 1
  }
}