Pith Number

pith:QX4O6WR4

pith:2015:QX4O6WR4SZBZYAYI4VDFDOIMIL

not attested not anchored not stored refs pending

[O III] line properties in two samples of radio-emitting narrow-line Seyfert 1 galaxies

F. Di Mille, G. La Mura, L. Foschini, M. Berton, P. Rafanelli, S. Ciroi, V. Cracco

arxiv:1506.05800 v3 · 2015-06-18 · 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{QX4O6WR4SZBZYAYI4VDFDOIMIL}

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	2026-05-18T01:12:08.431778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85f8ef5a3c96439c0308e54651b90c42e314907c83ece84648af3ef68f6f6d8b

Aliases

arxiv: 1506.05800 · arxiv_version: 1506.05800v3 · doi: 10.48550/arxiv.1506.05800 · pith_short_12: QX4O6WR4SZBZ · pith_short_16: QX4O6WR4SZBZYAYI · pith_short_8: QX4O6WR4

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/QX4O6WR4SZBZYAYI4VDFDOIMIL \
  | 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: 85f8ef5a3c96439c0308e54651b90c42e314907c83ece84648af3ef68f6f6d8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2549aea7846d5b819c27c14214fa2772d120cd8f6e993d3fa4ce38732409fe8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-18T20:00:25Z",
    "title_canon_sha256": "7b95352c1ebefdabc54b05cde1d6ba72b9c6201a30e6424870db0a5a451cffed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05800",
    "kind": "arxiv",
    "version": 3
  }
}