Pith Number

pith:F53CUJ7D

pith:2010:F53CUJ7DG37GAFE74RYIIA3VX7

not attested not anchored not stored refs pending

Indecent Exposure in Seyfert 2 Galaxies: A Close Look

Hien D. Tran, James E. Lyke, Jeff A. Mader (W. M. Keck Observatory)

arxiv:1012.1865 v2 · 2010-12-08 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F53CUJ7DG37GAFE74RYIIA3VX7}

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	2026-05-18T04:33:03.315935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f762a27e336fe60149fe470840375bff5ae73f6da94267303b3b365a0bfa5be

Aliases

arxiv: 1012.1865 · arxiv_version: 1012.1865v2 · doi: 10.48550/arxiv.1012.1865 · pith_short_12: F53CUJ7DG37G · pith_short_16: F53CUJ7DG37GAFE7 · pith_short_8: F53CUJ7D

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/F53CUJ7DG37GAFE74RYIIA3VX7 \
  | 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: 2f762a27e336fe60149fe470840375bff5ae73f6da94267303b3b365a0bfa5be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "689ebd8554b633365abb4d2fdb6067d468b85734dc0accf31416ac1d8ab6ba8f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-08T21:04:47Z",
    "title_canon_sha256": "460493f1c2fd1985490b52965fe10f127615bd042fa7a770e2ced23252748186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1865",
    "kind": "arxiv",
    "version": 2
  }
}