Pith Number

pith:RQDMESWM

pith:2018:RQDMESWMOHGEIYUJRBMPGCAXSD

not attested not anchored not stored refs pending

Black hole mass measurements in AGN: Polarization in broad emission lines

Djordje Savic, Luka C. Popovic, Victor L. Afanasiev

arxiv:1807.00177 v1 · 2018-06-30 · astro-ph.IM · 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{RQDMESWMOHGEIYUJRBMPGCAXSD}

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	2026-05-18T00:11:55.780016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c06c24acc71cc4462898858f3081790e39e97fb55220e6145a32e30ab7d9119

Aliases

arxiv: 1807.00177 · arxiv_version: 1807.00177v1 · doi: 10.48550/arxiv.1807.00177 · pith_short_12: RQDMESWMOHGE · pith_short_16: RQDMESWMOHGEIYUJ · pith_short_8: RQDMESWM

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/RQDMESWMOHGEIYUJRBMPGCAXSD \
  | 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: 8c06c24acc71cc4462898858f3081790e39e97fb55220e6145a32e30ab7d9119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a8e1d0cb76b856357b3ec47bd52fa5d343f64929b429eb7beb620d155a0e333",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-30T13:41:00Z",
    "title_canon_sha256": "d77abe8ee9c4a1062ff8a6f5857fa1c1d40a110918d2d737be99a60a661c50d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00177",
    "kind": "arxiv",
    "version": 1
  }
}