Pith Number

pith:DBTIR2Y4

pith:2012:DBTIR2Y4DDFTY3MFIUQHQGI6TX

not attested not anchored not stored refs pending

Shocks, Seyferts and the SNR connection: a Chandra observation of the Circinus galaxy

Beatriz Mingo, Daniel A. Evans, Emil Lenc, Judith H. Croston, Martin J. Hardcastle, Preeti Kharb, Ralph P. Kraft

arxiv:1209.0348 v1 · 2012-09-03 · astro-ph.CO · 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{DBTIR2Y4DDFTY3MFIUQHQGI6TX}

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	2026-05-18T03:43:51.953577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

186688eb1c18cb3c6d85452078191e9ddde512ddb8f1cb1232edd85c0faaf0bf

Aliases

arxiv: 1209.0348 · arxiv_version: 1209.0348v1 · doi: 10.48550/arxiv.1209.0348 · pith_short_12: DBTIR2Y4DDFT · pith_short_16: DBTIR2Y4DDFTY3MF · pith_short_8: DBTIR2Y4

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/DBTIR2Y4DDFTY3MFIUQHQGI6TX \
  | 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: 186688eb1c18cb3c6d85452078191e9ddde512ddb8f1cb1232edd85c0faaf0bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95c5309832d62e1e130c6878ae19ac61d1922ea56d65d1638d420882d64d4865",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-03T13:32:42Z",
    "title_canon_sha256": "3c7f31309855d4763c536250eb5b37b985e6abc585bc8bbc33ffd8faa6d8abcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0348",
    "kind": "arxiv",
    "version": 1
  }
}