Pith Number

pith:2RRUGKDU

pith:2022:2RRUGKDUEUAU2TSCB5CAQYCDBQ

not attested not anchored not stored refs pending

X-ray and radio observations of central black holes in nearby low-mass early-type galaxies: Preliminary evidence for low Eddington fractions

A. C. Seth, D. D. Nguyen, E. Tremou, J. Strader, L. Chomiuk, L. I. McDermott, N. Neumayer, R. Urquhart

arxiv:2209.15015 v1 · 2022-09-29 · 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{2RRUGKDUEUAU2TSCB5CAQYCDBQ}

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	2026-07-05T05:22:55.873857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d46343287425014d4e420f440860430c2e768b8fe47799dcef5ba7881a061a04

Aliases

arxiv: 2209.15015 · arxiv_version: 2209.15015v1 · doi: 10.48550/arxiv.2209.15015 · pith_short_12: 2RRUGKDUEUAU · pith_short_16: 2RRUGKDUEUAU2TSC · pith_short_8: 2RRUGKDU

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/2RRUGKDUEUAU2TSCB5CAQYCDBQ \
  | 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: d46343287425014d4e420f440860430c2e768b8fe47799dcef5ba7881a061a04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49e101747739a05395b785eb923f865ca5ecf305091a918b9fbf84420df2ecdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-09-29T18:00:00Z",
    "title_canon_sha256": "dee43623e4c05b134259d370a70e7bc26d883355b2294eb8c6cd1fcbf5f0932d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.15015",
    "kind": "arxiv",
    "version": 1
  }
}