Pith Number

pith:M32NKHMC

pith:2017:M32NKHMCQ722MFH4SX35E5ZIAJ

not attested not anchored not stored refs pending

X-ray spectral analyses of AGNs from the 7Ms Chandra Deep Field-South survey: the distribution, variability, and evolution of AGN's obscuration

Andrea Comastri, Anton Koekemoer, Bin Luo, Cristian Vignali, David M Alexander, Donald P. Schneider, Franz E. Bauer, Guang Yang, Guido Risaliti, Jun-Xian Wang, Maurizio Paolillo, Mauro Giavalisco, Ohad Shemmer, Paolo Tozzi, Q. Daniel Wang, Roberto Gilli, Teng Liu, Vincenzo Mainieri, William N. Brandt, Yongquan Xue, Zhiyuan Ji

arxiv:1703.00657 v2 · 2017-03-02 · 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{M32NKHMCQ722MFH4SX35E5ZIAJ}

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	2026-05-18T00:36:03.464843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66f4d51d8287f5a614fc95f7d27728025dcd45d034727e62abad888c3d69209b

Aliases

arxiv: 1703.00657 · arxiv_version: 1703.00657v2 · doi: 10.48550/arxiv.1703.00657 · pith_short_12: M32NKHMCQ722 · pith_short_16: M32NKHMCQ722MFH4 · pith_short_8: M32NKHMC

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/M32NKHMCQ722MFH4SX35E5ZIAJ \
  | 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: 66f4d51d8287f5a614fc95f7d27728025dcd45d034727e62abad888c3d69209b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8db465ba8162c99b1fc9f3f77356c365c6d4c8a4ac7f200d7f7b18246fc188c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-02T08:09:25Z",
    "title_canon_sha256": "3ae1ee5c2e018fb45860005c28c18fe08a3d723305fb288f6547c95df545c644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00657",
    "kind": "arxiv",
    "version": 2
  }
}