Pith Number

pith:ZF5VPQDB

pith:2019:ZF5VPQDBZW33MGXDSOPY6KFZC3

not attested not anchored not stored refs pending

Evidence for Radiation Pressure Compression in the X-ray Narrow Line Region of Seyfert galaxies

Ari Laor, Ehud Behar, Jonathan Stern, Matteo Guainazzi, Stefano Bianchi

arxiv:1902.03076 v1 · 2019-02-08 · 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{ZF5VPQDBZW33MGXDSOPY6KFZC3}

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	2026-05-17T23:53:20.407311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c97b57c061cdb7b61ae3939f8f28b916c06d344275e6114101767ecdac9544e5

Aliases

arxiv: 1902.03076 · arxiv_version: 1902.03076v1 · doi: 10.48550/arxiv.1902.03076 · pith_short_12: ZF5VPQDBZW33 · pith_short_16: ZF5VPQDBZW33MGXD · pith_short_8: ZF5VPQDB

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/ZF5VPQDBZW33MGXDSOPY6KFZC3 \
  | 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: c97b57c061cdb7b61ae3939f8f28b916c06d344275e6114101767ecdac9544e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2c628b49cfb3b434d80085f950eaffee4f67be0f060a8145fdc6899df3fd46",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-08T13:38:13Z",
    "title_canon_sha256": "dff746d4385183526376d86852e8a49a6ec788e016468c6e9261d0a23b1962ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03076",
    "kind": "arxiv",
    "version": 1
  }
}