Pith Number

pith:FZAJGW2T

pith:2012:FZAJGW2TJ2QLYR7BQ6JV6GK6QL

not attested not anchored not stored refs pending

Nuclear X-ray properties of the peculiar radio-loud hidden AGN 4C+29.30

3), Aneta Siemiginowska (1), C. C. Cheung (4). ((1) Harvard-Smithsonian Center for Astrophysics, DC, D. Evans (1), G. Migliori (1), Jagiellonian University, Japan. (3) Astronomical Observatory, L. Stawarz (2, M. A. Sobolewska (1), M. Jamrozy (3), Poland. (4) NRCR/NSF/NRL Washington, USA.), USA. (2) JAXA

arxiv:1208.4581 v1 · 2012-08-22 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZAJGW2TJ2QLYR7BQ6JV6GK6QL}

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	2026-05-18T01:54:59.478806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e40935b534ea0bc47e187935f195e82fdcfcd7687b7a4cda853392d008c52ba

Aliases

arxiv: 1208.4581 · arxiv_version: 1208.4581v1 · doi: 10.48550/arxiv.1208.4581 · pith_short_12: FZAJGW2TJ2QL · pith_short_16: FZAJGW2TJ2QLYR7B · pith_short_8: FZAJGW2T

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/FZAJGW2TJ2QLYR7BQ6JV6GK6QL \
  | 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: 2e40935b534ea0bc47e187935f195e82fdcfcd7687b7a4cda853392d008c52ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3f12beb7b705c00070d7819c064f6d7ecf4fde2472967fd8fac521cb05b5f2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-08-22T19:17:08Z",
    "title_canon_sha256": "9c62b07be711a5342127e1bcfd6fa1b602f5d022690fc5873f6f72a8d1aff540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4581",
    "kind": "arxiv",
    "version": 1
  }
}