Pith Number

pith:J76NAWKV

pith:2015:J76NAWKVD36X7MCOG3UCXGYI5O

not attested not anchored not stored refs pending

A Spectroscopic Survey of X-ray Selected AGN in the Northern XMM-XXL Field

Andrea Merloni, Antonis Georgakakis, Axel Schwope, Eric Aubourg, Isabelle P\^aris, Johannes Buchner, Kirpal Nandra, Mara Salvato, Marcella Brusa, Marie-Luise Menzel, Patrick Petitjean, Tom Dwelly, William Nielsen Brandt

arxiv:1511.07870 v1 · 2015-11-24 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J76NAWKVD36X7MCOG3UCXGYI5O}

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	2026-05-18T01:09:51.685143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ffcd059551efd7fb04e36e82b9b08ebb8bc265bfd9ec73b85ce818ce2077967

Aliases

arxiv: 1511.07870 · arxiv_version: 1511.07870v1 · doi: 10.48550/arxiv.1511.07870 · pith_short_12: J76NAWKVD36X · pith_short_16: J76NAWKVD36X7MCO · pith_short_8: J76NAWKV

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/J76NAWKVD36X7MCOG3UCXGYI5O \
  | 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: 4ffcd059551efd7fb04e36e82b9b08ebb8bc265bfd9ec73b85ce818ce2077967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "232bd0c4e212eef9b21043dceb215a33fa4ee36567b86ea51be0bc2fc7e0fcf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-24T21:00:01Z",
    "title_canon_sha256": "166da26ee3353698d959a42cd0e60d5cfaa8caf4c61c23cb9beda3a91e5b3173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07870",
    "kind": "arxiv",
    "version": 1
  }
}