Pith Number

pith:SGBQ7AL2

pith:2020:SGBQ7AL2GYJDW76PHMQACXPSIJ

not attested not anchored not stored refs pending

On the AGN nature of two UV bright sources at z_spec~5.5 in the CANDELS fields: an update of the AGN space density at M1450~-22.5

A. Grazian, E. Giallongo, F. Civano, F. Fiore, F. Fontanot, G. Cupani, K. Boutsia, M. Dickinson, M. Romano, N. Menci, S. Cristiani

arxiv:2006.02451 v1 · 2020-06-03 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SGBQ7AL2GYJDW76PHMQACXPSIJ}

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	2026-07-05T01:19:07.682252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91830f817a36123b7fcf3b20015df24270fee03f7928f21a61673e2bd7994112

Aliases

arxiv: 2006.02451 · arxiv_version: 2006.02451v1 · doi: 10.48550/arxiv.2006.02451 · pith_short_12: SGBQ7AL2GYJD · pith_short_16: SGBQ7AL2GYJDW76P · pith_short_8: SGBQ7AL2

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/SGBQ7AL2GYJDW76PHMQACXPSIJ \
  | 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: 91830f817a36123b7fcf3b20015df24270fee03f7928f21a61673e2bd7994112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f9d11bd48b28cf66ad66321d1f6e9d81765ffe06551946caab57471342dff5a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-06-03T18:00:57Z",
    "title_canon_sha256": "ffc4dc0f9fdf8cfdc3f5c267275cfe74ee0846df46f4cd86de6211ca0facabf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.02451",
    "kind": "arxiv",
    "version": 1
  }
}