Pith Number

pith:CNNZNWZK

pith:2025:CNNZNWZKNC5MW3FRWGXU52TJKA

not attested not anchored not stored refs pending

Digitization of Astronomical Photographic Plate of China: Photometric Calibration of Single-exposure Plates and Release of Photometric Catalogs

Cui Chenzhou, Fan Dongwei, Huang Bowen, Huang Yang, Liu Min, Ma Mingyang, Shang Zhengjun, Shen Shiyin, Tang Zhenghong, Wang Liangliang, Wang Tao, Xiao Kai, Xu Quanfeng, Yang Jing, Yang Meiting, Yuan Haibo, Yu Yong, Zhao Jianhai

arxiv:2507.10270 v1 · 2025-07-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNNZNWZKNC5MW3FRWGXU52TJKA}

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	2026-07-05T11:36:48.341999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

135b96db2a68bacb6cb1b1af4eea6950032fc7cab6b07ae7e691a35bf9d04648

Aliases

arxiv: 2507.10270 · arxiv_version: 2507.10270v1 · doi: 10.48550/arxiv.2507.10270 · pith_short_12: CNNZNWZKNC5M · pith_short_16: CNNZNWZKNC5MW3FR · pith_short_8: CNNZNWZK

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/CNNZNWZKNC5MW3FRWGXU52TJKA \
  | 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: 135b96db2a68bacb6cb1b1af4eea6950032fc7cab6b07ae7e691a35bf9d04648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8371930d6531b29fc123ffbe3198f1cbb22b4b4c1b90fa74cd14ddba5702da52",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-07-14T13:39:43Z",
    "title_canon_sha256": "0cf21abd512392f325950769e8e8b36fa70909a1ecb6b19cfb791489bd2e9fdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10270",
    "kind": "arxiv",
    "version": 1
  }
}