Pith Number

pith:A3PAF6Y3

pith:2023:A3PAF6Y3NBS7NYLEDDMFXT5OCF

not attested not anchored not stored refs pending

The X-ray invisible Universe. A look into the halos undetected by eROSITA

A. Biviano, A. Liu, A. Merloni, A. Robotham, E. Bulbul, G. Ponti, J. Comparat, J. Liske, M. Brusa, M. Salvato, N. Clerc, N. Malavasi, P. Popesso, S. Driver, S. Grandis, V. Ghirardini, Y. E. Bahar, Z. Igo

arxiv:2302.08405 v2 · 2023-02-16 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3PAF6Y3NBS7NYLEDDMFXT5OCF}

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	2026-07-05T07:02:48.553356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06de02fb1b6865f6e16418d85bcfae116017c86dcd2ed952272fb32777387c52

Aliases

arxiv: 2302.08405 · arxiv_version: 2302.08405v2 · doi: 10.48550/arxiv.2302.08405 · pith_short_12: A3PAF6Y3NBS7 · pith_short_16: A3PAF6Y3NBS7NYLE · pith_short_8: A3PAF6Y3

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/A3PAF6Y3NBS7NYLEDDMFXT5OCF \
  | 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: 06de02fb1b6865f6e16418d85bcfae116017c86dcd2ed952272fb32777387c52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "437b8a024cc0d19f5b68642c265ca11d04ecdacbd448c675d42091d5cdaee19a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-02-16T16:30:55Z",
    "title_canon_sha256": "bc18666f0541ce4b20a43b7973deaa4d258cc9e17de9bb0c6e885b2cbc612422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.08405",
    "kind": "arxiv",
    "version": 2
  }
}