Pith Number

pith:HAQA4ST7

pith:2018:HAQA4ST767KGH5HLI24KPPJTLM

not attested not anchored not stored refs pending

The evolution of the warm absorber reveals a shocked outflow in the narrow line Seyfert 1 galaxy IRAS 17020+4544

Anna Lia Longinotti, Francesca Panessa, Mario Sanfrutos, Matteo Guainazzi, Yair Krongold

arxiv:1810.07714 v1 · 2018-10-17 · 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{HAQA4ST767KGH5HLI24KPPJTLM}

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	2026-05-17T23:59:04.553795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38200e4a7ff7d463f4eb46b8a7bd335b142cc05b9907c3217e1582970d151513

Aliases

arxiv: 1810.07714 · arxiv_version: 1810.07714v1 · doi: 10.48550/arxiv.1810.07714 · pith_short_12: HAQA4ST767KG · pith_short_16: HAQA4ST767KGH5HL · pith_short_8: HAQA4ST7

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/HAQA4ST767KGH5HLI24KPPJTLM \
  | 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: 38200e4a7ff7d463f4eb46b8a7bd335b142cc05b9907c3217e1582970d151513

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3ea2b5887a3d71c110012f968e08c568256746e18a662e1f67438ceecda44da",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-17T18:04:54Z",
    "title_canon_sha256": "0165d20d7b07108bca585db747ef3f231c6e4682aca03fb363895ddebc9d5e64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07714",
    "kind": "arxiv",
    "version": 1
  }
}