Pith Number

pith:IOJV4V4R

pith:2007:IOJV4V4REH3S43M5XDHG7DVXY2

not attested not anchored not stored refs pending

Improved constraints on dark energy from Chandra X-ray observations of the largest relaxed galaxy clusters

(2) Heidelberg, (3) Hawaii, (4) IoA, A.C. Fabian (4) ((1) KIPAC, Cambridge), D.A. Rapetti (1), G. Morris (1), H. Ebeling (3), R.W. Schmidt (2), Stanford, S.W. Allen (1)

arxiv:0706.0033 v3 · 2007-06-01 · 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{IOJV4V4REH3S43M5XDHG7DVXY2}

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

Revisiting the Constancy of the Speed of Light: Galaxy Cluster Mass Bias Implications

Receipt and verification

First computed	2026-07-04T17:24:57.430849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43935e579121f72e6d9db8ce6f8eb7c69c6667d6813661ba5b449e33f116bfe2

Aliases

arxiv: 0706.0033 · arxiv_version: 0706.0033v3 · doi: 10.48550/arxiv.0706.0033 · pith_short_12: IOJV4V4REH3S · pith_short_16: IOJV4V4REH3S43M5 · pith_short_8: IOJV4V4R

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/IOJV4V4REH3S43M5XDHG7DVXY2 \
  | 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: 43935e579121f72e6d9db8ce6f8eb7c69c6667d6813661ba5b449e33f116bfe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8960ebca3e2c754f64e959a11fd3ab434846fda0ed7a9f84b728c5116c0a66e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-01T00:44:46Z",
    "title_canon_sha256": "a6d67caff737dffc9c432d3a0464b6d30ae2c528d3971139e30149bdd1ec9ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.0033",
    "kind": "arxiv",
    "version": 3
  }
}