Pith Number

pith:NYX3FU3L

pith:2011:NYX3FU3LHO7BRJH4KDN6STJWF4

not attested not anchored not stored refs pending

A New Comprehensive 2-D Model of the Point Spread Functions of the XMM-Newton EPIC Telescopes : Spurious Source Suppression and Improved Positional Accuracy

(2) XMM SOC, (3) Leibniz-Institut fuer Astrophysik Potsdam, A. M. Read (1), ESAC, Germany), J. Ramirez (3) ((1) University of Leicester, R. D. Saxton (2), Spain, S. R. Rosen (1), UK

arxiv:1108.4835 v1 · 2011-08-24 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYX3FU3LHO7BRJH4KDN6STJWF4}

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	2026-05-18T02:00:48.704839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e2fb2d36b3bbe18a4fc50dbe94d362f2ad48b05ea652a519177904a095be343

Aliases

arxiv: 1108.4835 · arxiv_version: 1108.4835v1 · doi: 10.48550/arxiv.1108.4835 · pith_short_12: NYX3FU3LHO7B · pith_short_16: NYX3FU3LHO7BRJH4 · pith_short_8: NYX3FU3L

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/NYX3FU3LHO7BRJH4KDN6STJWF4 \
  | 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: 6e2fb2d36b3bbe18a4fc50dbe94d362f2ad48b05ea652a519177904a095be343

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbce668ecea40b387f08147e76286b8d93bb534d9f587605eb8b7b52241e65c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-08-24T13:23:44Z",
    "title_canon_sha256": "8d942e85fd4055c77e5ded0e1f7942d54378418f84089f9d9bc853c0ea4791d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4835",
    "kind": "arxiv",
    "version": 1
  }
}