Pith Number

pith:MN6QHD5Q

pith:2026:MN6QHD5QYH4ENKRF3JV2FHBYHN

not attested not anchored not stored refs pending

$J$ and $H$ band sky brightness measurements from polar day to polar night at Dome A, Antarctica

Bin Ma, Haonan Yang, Jinji Li, Lu Feng, Michael C. B. Ashley, Pu Lin, Shijie Sun, Xu Yang, Yi Hu, Yun Shi, Zhaohui Shang, Zhongnan Dong

arxiv:2607.01923 v1 · 2026-07-02 · 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{MN6QHD5QYH4ENKRF3JV2FHBYHN}

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	2026-07-03T01:17:33.578947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

637d038fb0c1f846aa25da6ba29c383b4042b3b8fd2dec1064f9bcfeb50a0492

Aliases

arxiv: 2607.01923 · arxiv_version: 2607.01923v1 · doi: 10.48550/arxiv.2607.01923 · pith_short_12: MN6QHD5QYH4E · pith_short_16: MN6QHD5QYH4ENKRF · pith_short_8: MN6QHD5Q

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/MN6QHD5QYH4ENKRF3JV2FHBYHN \
  | 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: 637d038fb0c1f846aa25da6ba29c383b4042b3b8fd2dec1064f9bcfeb50a0492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "385f21ad466236b866f398dcb8104d10832a5368e7d0d546f85c900dc68982cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-02T09:19:43Z",
    "title_canon_sha256": "457ae1c8e665e165b8ead35874ee53badc0e2d3fe4b251b5b15a1977e5d663e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01923",
    "kind": "arxiv",
    "version": 1
  }
}