Pith Number

pith:VELTP7P4

pith:2011:VELTP7P42WFLIVSCAVB7WRN5VR

not attested not anchored not stored refs pending

Chandra High Energy Grating Observations of the Fe Ka Line Core in Type 2 Seyfert Galaxies: A Comparison with Type 1 Nuclei

Junxian Wang (USTC), Tahir Yaqoob (JHU), Xinwen Shu (USTC)

arxiv:1107.0195 v1 · 2011-07-01 · astro-ph.CO · astro-ph.GA · 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{VELTP7P42WFLIVSCAVB7WRN5VR}

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	2026-05-18T02:01:25.991843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a91737fdfcd58ab456420543fb45bdac6ee5f673c4d60d4f4f548b10e007e072

Aliases

arxiv: 1107.0195 · arxiv_version: 1107.0195v1 · doi: 10.48550/arxiv.1107.0195 · pith_short_12: VELTP7P42WFL · pith_short_16: VELTP7P42WFLIVSC · pith_short_8: VELTP7P4

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/VELTP7P42WFLIVSCAVB7WRN5VR \
  | 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: a91737fdfcd58ab456420543fb45bdac6ee5f673c4d60d4f4f548b10e007e072

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42a5809591460b7bf1a1917b940d067b6f090fc5ceb0d91dce82de2aeb081e01",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-01T11:13:46Z",
    "title_canon_sha256": "d9d0962c8c583a695927aa398978f56d13d1f650b0b52b571f5b89ffcc70bf50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0195",
    "kind": "arxiv",
    "version": 1
  }
}