Pith Number

pith:D7IM5MMZ

pith:2019:D7IM5MMZ25DSWX44WO3FLZ62NH

not attested not anchored not stored refs pending

Broadband X-ray observations of four gamma-ray narrow-line Seyfert 1 galaxies

E. Piconcelli, L. Foschini, M. Berton, R.W. Pogge, S. Chen, S. Mathur, V. Braito

arxiv:1910.10925 v2 · 2019-10-24 · 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{D7IM5MMZ25DSWX44WO3FLZ62NH}

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	2026-07-05T00:26:44.127430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd0ceb199d7472b5f9cb3b655e7da69f4f33eb423184a027fffc3f12c22c91e

Aliases

arxiv: 1910.10925 · arxiv_version: 1910.10925v2 · doi: 10.48550/arxiv.1910.10925 · pith_short_12: D7IM5MMZ25DS · pith_short_16: D7IM5MMZ25DSWX44 · pith_short_8: D7IM5MMZ

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/D7IM5MMZ25DSWX44WO3FLZ62NH \
  | 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: 1fd0ceb199d7472b5f9cb3b655e7da69f4f33eb423184a027fffc3f12c22c91e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73c02c6c9c7588cfdbdb67ea826aca4eee2fec4f26f4e26e5ea2063382315ae",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-24T05:58:51Z",
    "title_canon_sha256": "d1513ec8f6febe6d28ed23da3030ddafa2215b5b88da5468f16026ed46468c28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.10925",
    "kind": "arxiv",
    "version": 2
  }
}