Pith Number

pith:EQBLVKLZ

pith:2009:EQBLVKLZ7RKXB2BXYO3T22RWXU

not attested not anchored not stored refs pending

Multi-wavelength study of XMMU J2235.3-2557: the most massive galaxy cluster at z > 1

A. Schwope, C. Lidman, C.R. Mullis, G. Lamer, H.Bohringer, H. Ford, J. Jee, J.S. Santos, K. Dawson, M. Nonino, M. Tanaka, P. Rosati, P. Tozzi, R. Demarco, R. Fassbender, R. Gobat, V. Strazzullo

arxiv:0910.1716 v2 · 2009-10-09 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQBLVKLZ7RKXB2BXYO3T22RWXU}

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	2026-05-18T02:11:25.179206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2402baa979fc5570e837c3b73d6a36bd0c94fffd53d3a37ca63a0178913d1b45

Aliases

arxiv: 0910.1716 · arxiv_version: 0910.1716v2 · doi: 10.48550/arxiv.0910.1716 · pith_short_12: EQBLVKLZ7RKX · pith_short_16: EQBLVKLZ7RKXB2BX · pith_short_8: EQBLVKLZ

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/EQBLVKLZ7RKXB2BXYO3T22RWXU \
  | 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: 2402baa979fc5570e837c3b73d6a36bd0c94fffd53d3a37ca63a0178913d1b45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2fe9bace403c902b5f65c04774973f006040a9f9e7516ea117092a51430ac97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-09T12:25:49Z",
    "title_canon_sha256": "07ccb67e31186c6dde742c3d675b1613833a4636ae489a6681adc0fddd0568c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1716",
    "kind": "arxiv",
    "version": 2
  }
}