Pith Number

pith:TMTXY2DC

pith:2012:TMTXY2DCRZVZYJZW46RC675XPC

not attested not anchored not stored refs pending

The X-ray Nature of Nucleus in Seyfert 2 Galaxy NGC 7590

Junxian Wang (USTC), Teng Liu (USTC), Wei Zheng (JHU), Xinwen Shu (USTC)

arxiv:1203.5488 v1 · 2012-03-25 · 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{TMTXY2DCRZVZYJZW46RC675XPC}

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	2026-05-18T01:58:02.128668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b277c68628e6b9c2736e7a22f7fb778be266a939e2ebf7f61f898b18041849e

Aliases

arxiv: 1203.5488 · arxiv_version: 1203.5488v1 · doi: 10.48550/arxiv.1203.5488 · pith_short_12: TMTXY2DCRZVZ · pith_short_16: TMTXY2DCRZVZYJZW · pith_short_8: TMTXY2DC

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/TMTXY2DCRZVZYJZW46RC675XPC \
  | 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: 9b277c68628e6b9c2736e7a22f7fb778be266a939e2ebf7f61f898b18041849e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "750cb8ccae172d45c7e833c8658346b3666d371c94beccab7235a413f7c0ea74",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-25T11:48:46Z",
    "title_canon_sha256": "1a47c6a3a9cd88f032ff8d00acfb78b1406bf7bcfea737aff24caf8860706a68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5488",
    "kind": "arxiv",
    "version": 1
  }
}