Pith Number

pith:E4A5CFQI

pith:2013:E4A5CFQIQ52XRSFPCL3XEK73NO

not attested not anchored not stored refs pending

Stellar population properties for a sample of hard X-ray AGNs

D. Minniti, E. Maiorano, G. Galaz, L. Morelli, N. Masetti, P. Parisi, R. Landi, V. Calvi

arxiv:1306.5759 v1 · 2013-06-24 · 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{E4A5CFQIQ52XRSFPCL3XEK73NO}

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	2026-05-18T01:49:08.454718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2701d11608877578c8af12f7722bfb6bbf10a9392b566e2983d96cbcc6ad9f65

Aliases

arxiv: 1306.5759 · arxiv_version: 1306.5759v1 · doi: 10.48550/arxiv.1306.5759 · pith_short_12: E4A5CFQIQ52X · pith_short_16: E4A5CFQIQ52XRSFP · pith_short_8: E4A5CFQI

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/E4A5CFQIQ52XRSFPCL3XEK73NO \
  | 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: 2701d11608877578c8af12f7722bfb6bbf10a9392b566e2983d96cbcc6ad9f65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e64441a07303500259648239ee2ed859aea0a8baeeef514276672e1f11feb2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-24T20:00:22Z",
    "title_canon_sha256": "cf009b74d309df624ee6762e1bbb92ff93bc933fc9b5dc46a493be0df6f9f6b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5759",
    "kind": "arxiv",
    "version": 1
  }
}