Pith Number

pith:UL4PMNVD

pith:2020:UL4PMNVDZNYMGGH5V54XJURBU2

not attested not anchored not stored refs pending

Estimating the size of X-ray lamppost coronae in active galactic nuclei

C. Done, F. Ursini, G. Matt, M. Dov\v{c}iak, P.-O. Petrucci, W. Zhang

arxiv:2010.07166 v1 · 2020-10-14 · 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{UL4PMNVDZNYMGGH5V54XJURBU2}

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	2026-07-05T02:03:50.058901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2f8f636a3cb70c318fdaf7974d221a6a8520a7f6ab35cca5c97c95443c96262

Aliases

arxiv: 2010.07166 · arxiv_version: 2010.07166v1 · doi: 10.48550/arxiv.2010.07166 · pith_short_12: UL4PMNVDZNYM · pith_short_16: UL4PMNVDZNYMGGH5 · pith_short_8: UL4PMNVD

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/UL4PMNVDZNYMGGH5V54XJURBU2 \
  | 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: a2f8f636a3cb70c318fdaf7974d221a6a8520a7f6ab35cca5c97c95443c96262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "460a8914a83d920255b6e1a2988cb88ad61d4e1fca214f9f13813f1585c1fbf9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-10-14T15:37:17Z",
    "title_canon_sha256": "292f8c125314d1976255b5be16a5905b42d7243bd6bbe553663608a9fada60f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.07166",
    "kind": "arxiv",
    "version": 1
  }
}