Pith Number

pith:UGFZLMVD

pith:2019:UGFZLMVDHA5VKHSMTGOINZW7JE

not attested not anchored not stored refs pending

Orientation effects on the near-infrared broad band emission of quasars

Alessandro Marconi, Elisabeta Lusso, Guido Risaliti, Susanna Bisogni

arxiv:1902.05543 v1 · 2019-02-14 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGFZLMVDHA5VKHSMTGOINZW7JE}

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	2026-05-17T23:52:35.935984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18b95b2a3383b551e4c999c86e6df491eb409c02cf3bddc205ef7f6735f7c51

Aliases

arxiv: 1902.05543 · arxiv_version: 1902.05543v1 · doi: 10.48550/arxiv.1902.05543 · pith_short_12: UGFZLMVDHA5V · pith_short_16: UGFZLMVDHA5VKHSM · pith_short_8: UGFZLMVD

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/UGFZLMVDHA5VKHSMTGOINZW7JE \
  | 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: a18b95b2a3383b551e4c999c86e6df491eb409c02cf3bddc205ef7f6735f7c51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd686a0536afde0ec1febd5e085683ae81ff2879bcb3cfcbbc8aaa34eb100309",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-14T18:56:09Z",
    "title_canon_sha256": "d7c364110eeeba7f1d9c624e4825319241f6c6eef2b08661bb1286a4d574c73d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05543",
    "kind": "arxiv",
    "version": 1
  }
}