Pith Number

pith:LXT5IC3Q

pith:2019:LXT5IC3QV2JWLX746VX23SHHSH

not attested not anchored not stored refs pending

Comparison of SEDs of very massive radio-loud and radio-quiet AGN

Katarzyna Rusinek, Maitrayee Gupta, Marek Sikora

arxiv:1904.04684 v2 · 2019-04-09 · 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{LXT5IC3QV2JWLX746VX23SHHSH}

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	2026-07-05T00:33:11.711807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5de7d40b70ae9365dffcf56fadc8e791de6f3876ad7e8e0613934d8d31cd3235

Aliases

arxiv: 1904.04684 · arxiv_version: 1904.04684v2 · doi: 10.48550/arxiv.1904.04684 · pith_short_12: LXT5IC3QV2JW · pith_short_16: LXT5IC3QV2JWLX74 · pith_short_8: LXT5IC3Q

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/LXT5IC3QV2JWLX746VX23SHHSH \
  | 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: 5de7d40b70ae9365dffcf56fadc8e791de6f3876ad7e8e0613934d8d31cd3235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e3a4aee918ee472649b92677b9415a2ffb4c01396082e134371d0852dca4896",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-09T14:10:26Z",
    "title_canon_sha256": "2f9bcbf3a92a82dbe72d9a8e7dbd43ae277694a8dc19582c096dc55fe9edc15a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04684",
    "kind": "arxiv",
    "version": 2
  }
}