Pith Number

pith:NQTFRPU7

pith:2018:NQTFRPU7TFWCHKPWFA6WEUSRZC

not attested not anchored not stored refs pending

1.4 GHz on the Fundamental Plane of Black Hole Activity

Elmar K\"ording, Payaswini Saikia, Salome Dibi

arxiv:1803.07286 v1 · 2018-03-20 · 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{NQTFRPU7TFWCHKPWFA6WEUSRZC}

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	2026-05-18T00:19:20.197448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2658be9f996c23a9f6283d625251c88dbfe71be8cb3153411fe98ac3b8eff8

Aliases

arxiv: 1803.07286 · arxiv_version: 1803.07286v1 · doi: 10.48550/arxiv.1803.07286 · pith_short_12: NQTFRPU7TFWC · pith_short_16: NQTFRPU7TFWCHKPW · pith_short_8: NQTFRPU7

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/NQTFRPU7TFWCHKPWFA6WEUSRZC \
  | 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: 6c2658be9f996c23a9f6283d625251c88dbfe71be8cb3153411fe98ac3b8eff8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a9f13b43a3fd43a551162542a6341b08f3c981b6e3ab09f3b99b35cd7a222e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-03-20T08:14:25Z",
    "title_canon_sha256": "9ef032017f9c1a7d264e49b92f289701ad9009090055b2c6c43a874a8fc1df48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07286",
    "kind": "arxiv",
    "version": 1
  }
}