Pith Number

pith:W3ZJXFJQ

pith:2019:W3ZJXFJQFBHXPQE462NJPOZSSP

not attested not anchored not stored refs pending

Multi-wavelength Campaign on NGC 7469 VI. Photoionisation Modelling of the Emission Line Regions and the Warm Absorber

B. De Marco, E. Behar, E. Costantini, G. A. Kriss, G. Branduardi-Raymont, G. Ponti, J. Ebrero, J. Kaastra, J. Mao, L. Di Gesu, M. J. Page, M. Mehdipour, N. Arav, P.-O. Petrucci, R. Middei, S. Bianchi, S. Grafton-Waters, S. Kaspi, U. Peretz

arxiv:1907.01946 v2 · 2019-07-03 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3ZJXFJQFBHXPQE462NJPOZSSP}

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	2026-07-05T00:34:01.201494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f29b9530284f77c09cf69a97bb3293cf9d7b5e9ee01faefedf869bf3f60014

Aliases

arxiv: 1907.01946 · arxiv_version: 1907.01946v2 · doi: 10.48550/arxiv.1907.01946 · pith_short_12: W3ZJXFJQFBHX · pith_short_16: W3ZJXFJQFBHXPQE4 · pith_short_8: W3ZJXFJQ

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/W3ZJXFJQFBHXPQE462NJPOZSSP \
  | 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: b6f29b9530284f77c09cf69a97bb3293cf9d7b5e9ee01faefedf869bf3f60014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb7161777f758bc8c322472cdf93d59829e9fbe209177c8b89b241755a74f63",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-03T13:51:13Z",
    "title_canon_sha256": "c25a603da376760787a5452f3075c6b45b80611ec0ee34dda07cfa76a5d973af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01946",
    "kind": "arxiv",
    "version": 2
  }
}