Pith Number

pith:NORMTQRR

pith:2010:NORMTQRRGSA22FX5MITRV46KKE

not attested not anchored not stored refs pending

Cross-correlation of the 2XMMi catalogue with Data Release 7 of the Sloan Digital Sky Survey

A. Schwope, C. Motch, F. Carrera, F.-X. Pineau, L. Michel, M.G. Watson, R. Della Ceca, S. Derriere

arxiv:1012.1727 v1 · 2010-12-08 · astro-ph.HE · astro-ph.CO · astro-ph.IM · 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{NORMTQRRGSA22FX5MITRV46KKE}

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	2026-05-18T02:04:31.673557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ba2c9c2313481ad16fd62271af3ca511633ac0e2a666aeaeaf57f80ad1ab271

Aliases

arxiv: 1012.1727 · arxiv_version: 1012.1727v1 · doi: 10.48550/arxiv.1012.1727 · pith_short_12: NORMTQRRGSA2 · pith_short_16: NORMTQRRGSA22FX5 · pith_short_8: NORMTQRR

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/NORMTQRRGSA22FX5MITRV46KKE \
  | 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: 6ba2c9c2313481ad16fd62271af3ca511633ac0e2a666aeaeaf57f80ad1ab271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd111d10e78c4711f19c3f86b89a695585cb5eb9a97c9b72f7355b882d8c3a18",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-12-08T10:11:25Z",
    "title_canon_sha256": "6c58a589239248a24cad5291a4fb32b99d6c58f119728947f033986d0046125d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1727",
    "kind": "arxiv",
    "version": 1
  }
}