Pith Number

pith:Z4U62YVQ

pith:2000:Z4U62YVQWEH7SNQDVTBCLGEU6W

not attested not anchored not stored refs pending

ROSAT Results on Narrow-Line Seyfert 1 Galaxies

Germany), Th. Boller (MPE Garching

arxiv:astro-ph/0005127 v1 · 2000-05-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4U62YVQWEH7SNQDVTBCLGEU6W}

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	2026-07-04T16:16:37.193159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf29ed62b0b10ff93603acc2259894f5a62102adc27dd38e9f9d17e44758c017

Aliases

arxiv: astro-ph/0005127 · arxiv_version: astro-ph/0005127v1 · doi: 10.48550/arxiv.astro-ph/0005127 · pith_short_12: Z4U62YVQWEH7 · pith_short_16: Z4U62YVQWEH7SNQD · pith_short_8: Z4U62YVQ

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/Z4U62YVQWEH7SNQDVTBCLGEU6W \
  | 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: cf29ed62b0b10ff93603acc2259894f5a62102adc27dd38e9f9d17e44758c017

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a81422885a247bbe48b7616208f838c7784d97c7f5b6d3a4f5404a7b9be2fe04",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-05-08T15:37:07Z",
    "title_canon_sha256": "30f44807666d15dca7eeb4dbad1cc1ca2e0de05f1aa796ee078ba6804d5324eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0005127",
    "kind": "arxiv",
    "version": 1
  }
}