Pith Number

pith:E53FEL3E

pith:2018:E53FEL3E6UIN4SF5J4PH74I4HA

not attested not anchored not stored refs pending

Asymmetric emission of the [OIII]$\lambda$5007 profile in narrow-line Seyfert 1 galaxies

Diego Ferreiro, Eduardo O. Schmidt, Gabriel A. Oio, Luis Vega, Walter Weidmann

arxiv:1802.00072 v1 · 2018-01-31 · 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{E53FEL3E6UIN4SF5J4PH74I4HA}

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	2026-05-18T00:10:31.916177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2776522f64f510de48bd4f1e7ff11c381c8808a63f6f200a8475c219e5c7af5e

Aliases

arxiv: 1802.00072 · arxiv_version: 1802.00072v1 · doi: 10.48550/arxiv.1802.00072 · pith_short_12: E53FEL3E6UIN · pith_short_16: E53FEL3E6UIN4SF5 · pith_short_8: E53FEL3E

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/E53FEL3E6UIN4SF5J4PH74I4HA \
  | 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: 2776522f64f510de48bd4f1e7ff11c381c8808a63f6f200a8475c219e5c7af5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1320b0cc034928e2340a954c100088442f05a419e45f16ea02766d6a74c40068",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-31T21:19:49Z",
    "title_canon_sha256": "73dce9315612ae7762bc66a22dbf21804cccd80916d9ed3a84a331f9993d5c2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00072",
    "kind": "arxiv",
    "version": 1
  }
}