Pith Number

pith:CVCW2KCK

pith:2017:CVCW2KCKTS2ZVQH5QQD2YMUQIL

not attested not anchored not stored refs pending

Tracing the accretion history of supermassive Black Holes through X-ray variability: results from the Chandra Deep Field-South

A. Comastri, A. Koekemoer, B. Luo, C. Vignali, F. E. Bauer, F. Vito, G. Yang, I. Papadakis, J. X. Wang, M. Paolillo, O. Shemmer, P. Tozzi, R. Gilli, T. Liu, V. Allevato, W. N. Brandt, X.C. Zheng, Y.Q. Xue

arxiv:1707.05332 v2 · 2017-07-17 · 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{CVCW2KCKTS2ZVQH5QQD2YMUQIL}

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.

Cited by

1 paper in Pith

Strong X-ray Variability of I Zwicky 1: Obscuration from Clumpy Accretion-Disk Winds

Receipt and verification

First computed	2026-05-18T00:38:49.879922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15456d284a9cb59ac0fd8407ac329042c01d9a6a50c7a91e323a811ab1fa40b7

Aliases

arxiv: 1707.05332 · arxiv_version: 1707.05332v2 · doi: 10.48550/arxiv.1707.05332 · pith_short_12: CVCW2KCKTS2Z · pith_short_16: CVCW2KCKTS2ZVQH5 · pith_short_8: CVCW2KCK

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/CVCW2KCKTS2ZVQH5QQD2YMUQIL \
  | 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: 15456d284a9cb59ac0fd8407ac329042c01d9a6a50c7a91e323a811ab1fa40b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47462eefc634f6badaf78f3cbee577640c0f6d287a38b5b35451b1a300f7e3e7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-07-17T18:00:09Z",
    "title_canon_sha256": "a7f902d2c90492be8288871989364103b0c116e37a9fc7ba5178a6b6052ee336"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05332",
    "kind": "arxiv",
    "version": 2
  }
}