Pith Number

pith:MZHA63ZJ

pith:2013:MZHA63ZJ3L2MXM3OETQ26QZKUA

not attested not anchored not stored refs pending

New Compton-thick AGN in the circumnuclear water maser hosts UGC3 789 and NGC 6264

A. Tarchi, C. Henkel, F. Panessa, M. Kadler, P. Castangia

arxiv:1309.6515 v1 · 2013-09-25 · 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{MZHA63ZJ3L2MXM3OETQ26QZKUA}

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	2026-05-18T01:47:26.854349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

664e0f6f29daf4cbb36e24e1af432aa011720978ae6771f678becaeea09a6e10

Aliases

arxiv: 1309.6515 · arxiv_version: 1309.6515v1 · doi: 10.48550/arxiv.1309.6515 · pith_short_12: MZHA63ZJ3L2M · pith_short_16: MZHA63ZJ3L2MXM3O · pith_short_8: MZHA63ZJ

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/MZHA63ZJ3L2MXM3OETQ26QZKUA \
  | 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: 664e0f6f29daf4cbb36e24e1af432aa011720978ae6771f678becaeea09a6e10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e76600871f8bde0f03436f60f73e25b630bd69e54fc2eec42aaa96abe5540ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-25T14:19:38Z",
    "title_canon_sha256": "f647c1a381c7bb7b9aa852edab33928c68d694a32f852508cd3c18bb4ef3e10e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6515",
    "kind": "arxiv",
    "version": 1
  }
}