Pith Number

pith:MPGZI7S2

pith:2009:MPGZI7S2GFGGDRGSNNL4LER6QK

not attested not anchored not stored refs pending

The XMM-Newton Slew Survey: Towards The Whole X-ray Sky and the Rarest X-ray Events

(2) ESAC), A.M. Read (1), P. Esquej (1), R.D. Saxton (2), R.S. Warwick (1) ((1) University of Leicester

arxiv:0912.3146 v1 · 2009-12-16 · 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{MPGZI7S2GFGGDRGSNNL4LER6QK}

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	2026-05-18T02:10:16.598998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63cd947e5a314c61c4d26b57c5923e8281058537bb29412f0b5e9e1ca9e443f0

Aliases

arxiv: 0912.3146 · arxiv_version: 0912.3146v1 · doi: 10.48550/arxiv.0912.3146 · pith_short_12: MPGZI7S2GFGG · pith_short_16: MPGZI7S2GFGGDRGS · pith_short_8: MPGZI7S2

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/MPGZI7S2GFGGDRGSNNL4LER6QK \
  | 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: 63cd947e5a314c61c4d26b57c5923e8281058537bb29412f0b5e9e1ca9e443f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f093b784d05632fd18fb749ba18f460234e42a7ee3427c79009e1423d4a6297",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-16T14:21:00Z",
    "title_canon_sha256": "057a75981199af397ea0ac6808bb89b6d884170583a143d81e596dbc9cee93fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3146",
    "kind": "arxiv",
    "version": 1
  }
}