Pith Number

pith:2M2NIAII

pith:2010:2M2NIAIIBCHYAWMXYY3Y6Q75P3

not attested not anchored not stored refs pending

Swift follow-up of unidentified X-ray sources in the XMM-Newton Slew Survey

(2) XMM-Newton SOC/ESAC, (3) USRA/NASA-GSFC), A.M. Read (1), H. Krimm (3), J.P. Osborne (1), K. Wiersema (1) ((1) University of Leicester, P.A. Evans (1), P. Esquej (1), P.T. O'Brien (1), R.D. Saxton (2), R.L.C. Starling (1), R. Warwick (1), S. Mateos (1)

arxiv:1011.3515 v1 · 2010-11-15 · astro-ph.HE · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2M2NIAIIBCHYAWMXYY3Y6Q75P3}

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	2026-05-18T02:04:45.545036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d334d40108088f805997c6378f43fd7ec4f3f37f8f4479c0c6ab78aee902348a

Aliases

arxiv: 1011.3515 · arxiv_version: 1011.3515v1 · doi: 10.48550/arxiv.1011.3515 · pith_short_12: 2M2NIAIIBCHY · pith_short_16: 2M2NIAIIBCHYAWMX · pith_short_8: 2M2NIAII

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/2M2NIAIIBCHYAWMXYY3Y6Q75P3 \
  | 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: d334d40108088f805997c6378f43fd7ec4f3f37f8f4479c0c6ab78aee902348a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfcbe79d9889b84fdcfb7cc1c48b0d5151ef29d05f76c07447d9c5fe509799d8",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-11-15T21:00:26Z",
    "title_canon_sha256": "124b30893d2f045ec8681a7deb43cb3bbcd140cdc4e96b7e23e765c096ccd189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3515",
    "kind": "arxiv",
    "version": 1
  }
}