Pith Number

pith:NF26OVJV

pith:2005:NF26OVJVQDZWL2WEGIO7TFNHS3

not attested not anchored not stored refs pending

An X-ray view of Mrk 705: A borderline narrow-line Seyfert 1 galaxy

3), E. Costantini (2, E. Ferrero (4), I. Balestra (1), L. C. Gallo (1), S. Mathur (5) ((1) MPE; (2) SRON; (3) Utrecht University; (4) Landessternwarte Heidelberg; (5) OSU), Th. Boller (1), V. Burwitz (1)

arxiv:astro-ph/0510552 v1 · 2005-10-19 · 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{NF26OVJVQDZWL2WEGIO7TFNHS3}

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	2026-07-04T16:52:59.391349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6975e7553580f365eac4321df995a796eb733dc9dd50c0ea4ba3b94b42b9bca4

Aliases

arxiv: astro-ph/0510552 · arxiv_version: astro-ph/0510552v1 · doi: 10.48550/arxiv.astro-ph/0510552 · pith_short_12: NF26OVJVQDZW · pith_short_16: NF26OVJVQDZWL2WE · pith_short_8: NF26OVJV

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/NF26OVJVQDZWL2WEGIO7TFNHS3 \
  | 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: 6975e7553580f365eac4321df995a796eb733dc9dd50c0ea4ba3b94b42b9bca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b39a602d4f40bf88a7d9527dbe52945bac97b600c69d56208a712ec26be1f70",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-19T08:36:31Z",
    "title_canon_sha256": "4b110dd6b27bd03f5e12eda6cd73ebd99a50b4d3a992d1202ee6c37b1ccb5dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510552",
    "kind": "arxiv",
    "version": 1
  }
}