Pith Number

pith:Y2B4YPTK

pith:2010:Y2B4YPTKNLJFP4V7G7FCKUNCSC

not attested not anchored not stored refs pending

Cross-calibrating X-ray detectors with clusters of galaxies: an IACHEC study

J. Nevalainen, L. David, M. Guainazzi

arxiv:1008.2102 v1 · 2010-08-12 · astro-ph.IM · astro-ph.CO · 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{Y2B4YPTKNLJFP4V7G7FCKUNCSC}

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	2026-05-18T02:05:49.039268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c683cc3e6a6ad257f2bf37ca2551a29094233697bc4fb0a78cf6e7c64d77d235

Aliases

arxiv: 1008.2102 · arxiv_version: 1008.2102v1 · doi: 10.48550/arxiv.1008.2102 · pith_short_12: Y2B4YPTKNLJF · pith_short_16: Y2B4YPTKNLJFP4V7 · pith_short_8: Y2B4YPTK

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/Y2B4YPTKNLJFP4V7G7FCKUNCSC \
  | 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: c683cc3e6a6ad257f2bf37ca2551a29094233697bc4fb0a78cf6e7c64d77d235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9191a17ba573c21e3e70d3c4df5e105235fe215c1d3b3d4a86fcb7fc7f1fae50",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-08-12T11:55:47Z",
    "title_canon_sha256": "b6a9b94a552d4dd2d19f5afaab45813222e82e7ac40d9232854b29cda6c8518a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2102",
    "kind": "arxiv",
    "version": 1
  }
}