Pith Number

pith:H37O5YXN

pith:2010:H37O5YXNDGVRHFBTVYYWT2UON7

not attested not anchored not stored refs pending

Properties of the integrated spectrum of serendipitous 2XMM catalogue sources

(2) MPI for Plasma Physics, 3), (3) Excellence Cluster Universe, (4) INAF - Osservatorio Astronomico di Bologna, A. Comastri (4) ((1) MPI for Extraterrestrial Physics, A. Merloni (1, Bologna, Garching, Germany, G. Hasinger (2), Italy), M. Brusa (1), P. Chaudhary (1)

arxiv:1005.0289 v1 · 2010-05-03 · 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{H37O5YXNDGVRHFBTVYYWT2UON7}

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	2026-05-18T02:07:43.643270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3efeeee2ed19ab139433ae3169ea8e6ff0fc0f15b3418e2d2ab6ce464d6621f3

Aliases

arxiv: 1005.0289 · arxiv_version: 1005.0289v1 · doi: 10.48550/arxiv.1005.0289 · pith_short_12: H37O5YXNDGVR · pith_short_16: H37O5YXNDGVRHFBT · pith_short_8: H37O5YXN

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/H37O5YXNDGVRHFBTVYYWT2UON7 \
  | 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: 3efeeee2ed19ab139433ae3169ea8e6ff0fc0f15b3418e2d2ab6ce464d6621f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6573f0ad5493ce52c6d63e64e36c6683aa9952c1ffe26ed35452b48f34a67fd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-03T13:32:45Z",
    "title_canon_sha256": "97be140307f98e4b5897bb72234e5458e6426c3da3a1ee597e1bd5d5e3728698"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0289",
    "kind": "arxiv",
    "version": 1
  }
}