Pith Number

pith:APRWTCSE

pith:2020:APRWTCSENMNBZNMQIBNRLEBSAF

not attested not anchored not stored refs pending

The Ultraluminous X-ray sources population of the galaxy NGC 7456

A. Belfiore, A. De Luca, A. Papitto, A. Tiengo, A. Wolter, C. Pinto, C. Salvaggio, D. D'Agostino, D. J. Walton, F. A. Harrison, F. Bernardini, F. Fuerst, F. Haberl, F. Pintore, G. A. Rodr\'iguez Castillo, G. L. Israel, H. P. Earnshaw, L. Stella, L. Zampieri, M. Bachetti, M. Brightman, M. Mapelli, M. Marelli, M. Middleton, M. Rigoselli, P. Casella, P. Esposito, R. Salvaterra, S. Dall'Osso, S. Mereghetti, T. P. Roberts

arxiv:2001.08752 v2 · 2020-01-23 · astro-ph.HE · 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{APRWTCSENMNBZNMQIBNRLEBSAF}

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	2026-07-05T00:45:21.737670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e3698a446b1a1cb590405b159032014b2d33a070115f4e5421c695139b4505

Aliases

arxiv: 2001.08752 · arxiv_version: 2001.08752v2 · doi: 10.48550/arxiv.2001.08752 · pith_short_12: APRWTCSENMNB · pith_short_16: APRWTCSENMNBZNMQ · pith_short_8: APRWTCSE

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/APRWTCSENMNBZNMQIBNRLEBSAF \
  | 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: 03e3698a446b1a1cb590405b159032014b2d33a070115f4e5421c695139b4505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65c387113179727d5f3eeef068be39dee572e52e1d1fd1aa5d3a3b051d9d3c94",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-01-23T19:00:01Z",
    "title_canon_sha256": "0d2a8f4c9bac04da2534b3b939523a8362ca1f309a44ee17ad1d5d1e70db447a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08752",
    "kind": "arxiv",
    "version": 2
  }
}