Pith Number

pith:EH3FP3VZ

pith:2014:EH3FP3VZOLXYLZDYS3GNAC62FC

not attested not anchored not stored refs pending

First X-ray-Based Statistical Tests for Clumpy-Torus Models: Eclipse Events from 230 Years of Monitoring of Seyfert AGN

Alex Markowitz (Univ. Calif., Karl Remeis Sternwarte/ECAP), Mirko Krumpe (European Southern Observatory, Robert Nikutta (Univ. Andr\'es Bello), San Diego, San Diego), Univ. Calif.

arxiv:1402.2779 v2 · 2014-02-12 · astro-ph.GA · astro-ph.CO · 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{EH3FP3VZOLXYLZDYS3GNAC62FC}

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	2026-05-18T02:58:32.125424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f657eeb972ef85e47896ccd00bda289f0f81aaa0580f7005424fb164a52d39

Aliases

arxiv: 1402.2779 · arxiv_version: 1402.2779v2 · doi: 10.48550/arxiv.1402.2779 · pith_short_12: EH3FP3VZOLXY · pith_short_16: EH3FP3VZOLXYLZDY · pith_short_8: EH3FP3VZ

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/EH3FP3VZOLXYLZDYS3GNAC62FC \
  | 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: 21f657eeb972ef85e47896ccd00bda289f0f81aaa0580f7005424fb164a52d39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c91ce8062c2f66eae3e2c7ce4a881395264d7223472a6a2de26899bb3f43fe2",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-12T10:40:25Z",
    "title_canon_sha256": "a49d1db1fdced95832f6c01908a4a276aa9a8cd6df7d84ec05aaded02aba01a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2779",
    "kind": "arxiv",
    "version": 2
  }
}