Pith Number

pith:XDBQM32Z

pith:2007:XDBQM32ZXGYBXM6V5KOOF3TXNV

not attested not anchored not stored refs pending

First Detection of 12CO (1--0) Emission from Two Narrow-Line Seyfert 1 Galaxies

K. Aoki, K. Kohno, K. Nakanishi, K. Ohta, T. Kawaguchi

arxiv:0712.0994 v1 · 2007-12-06 · 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{XDBQM32ZXGYBXM6V5KOOF3TXNV}

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	2026-07-04T17:07:08.142081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8c3066f59b9b01bb3d5ea9ce2ee776d43684ed0b2176c9be5d0b70676d4f2c4

Aliases

arxiv: 0712.0994 · arxiv_version: 0712.0994v1 · doi: 10.48550/arxiv.0712.0994 · pith_short_12: XDBQM32ZXGYB · pith_short_16: XDBQM32ZXGYBXM6V · pith_short_8: XDBQM32Z

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/XDBQM32ZXGYBXM6V5KOOF3TXNV \
  | 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: b8c3066f59b9b01bb3d5ea9ce2ee776d43684ed0b2176c9be5d0b70676d4f2c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84e03327e1ea30773dfd40e453e3b1170b7d45ad2a52f3bbf4aeca5a051f484e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-06T19:36:02Z",
    "title_canon_sha256": "1930d3c40eac8d57753a98427b7e9098bd424eea2dc8ffa572972dcd8ed67da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.0994",
    "kind": "arxiv",
    "version": 1
  }
}